Save the data file with a different name for each picket fence. Objective to measure the initial velocity of a projectile when. Finding the optimal launch angle book pdf free download link or read online here in pdf. Projectile motion is one of the concepts in physics 211 that students have the most trouble with.
Projectile motion practice problem watch the following video to assist you in understanding how to do projectile motion practice problems. The optimum launch angle of a projectile abstract determining the launch angle that will maximise the horizontal distance of a projectile has many applications in the sporting arena. Experiment 2 free fall and projectile motion objectives learn how to solve projectile motion problems. Perform a test launch, and witness where the projectile impacts the floor. The aim of the student experiment is to validate his results. Perform a lab of a projectile launched horizontally. Neglecting air resistance, the only force acting on the projectile is the force of gravity and we have in essence a freely falling object see figure 1.
Finding the optimal launch angle book pdf free download link book now. Derive a general formula for projectile motion with the object launched at an angle. They compute distances and velocities using simple kinematic equations. Motion in two dimensions 2d, projectile motion, kinematic equations. These results are somewhat anomalous, as even when air resistance is ignored, the optimum launch angle for a projectile is 45. Multiple choice questions and answers on projectile motion. Projectile motion projectile motion is a special case of twodimensional motion. To understand the motion of a projectile in the earths gravitational field and measure the muzzle velocity of the projectile as it leaves the end of the spring gun. Title projectile motion abstract a projectile was fired from atop an elevation and an angle.
Pdf an experiment on projectile motion researchgate. Pasco spring gun, projectile yellow plastic ball, plumb bob, meter stick. Free download of the 5 pdf volumes of the motion mountain physics textbook. From the motion of a steel ball projected horizontally, the initial velocity of the ball can be determined from the measured range. Create a table in capstone with one column with a runtracked userentered data set called distance with units of m. I would shoot the ball straight up and measure the time it takes for the ball to go all the way up and back down. The classic bullet projectile motion experiment duration. Oct 04, 2019 some of the worksheets below are projectile motion worksheet with solutions worksheets, projectile motion presentation. A roadrunner runs directly off a cliff with an initial velocity of 3.
A guide to projectile motion teaching approach projectile motion refers to the free fall motion of an object after it has been projected launched. It is only under the effect of the x axis component of the velocity which is a constant speed. This distance should be measured from the center of the launch position of the ball as shown in figure 10. Phys 100 projectile motion week 05 6 dq3 consider two projectiles that are fired at the same time. It taught that horizontal motion and vertical motion are independent of each other except for time. From this video and the textbook, you should be able to figure out how to work your way through the problem set below. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Galileos projectile model it is difficult to collect data which will allow you to plot the graphs with a reasonable degree of accuracy, especially using only simple apparatus. Ucla physics projectile motion that we used to write a lab physics ap physics i. Theory projectile motion is an example of motion with a constant acceleration, with an initial velocity in any direction horizontal, vertical, or at an angle. Near the surface of the earth, the acceleration of gravity points downward and has magnitude 9. The pdf version of the teacher toolkit on the topic of projectile motion is displayed below.
Kinematics displacement, velocity, acceleration, 1 and 2dimensional motion source. Projectile apparatus meter stick iron ball,spirit level and clamp. The ideas, however, are no different from the ones youve been dealing with already. Derive one equation for the horizontal and vertical coordinates of the balls motion in this experiment. Calibrate the velocity of the ball when released from various positions along the. The diagram accompanying the discussion of galileos experiment could be.
To determine the maximum height of projection as a function of the angle of inclination. The initial velocity was kept constant by stretching the balloon to a fixed length, which was 26 cm, thus keeping the initial velocity approximately constant. Students are introduced to the concept of projectile motion, of which they are often familiar from life experiences, such as playing sports like basketball and baseball, even though they may not understand the physics involved. Understand that the acceleration due to gravity is constant 9. Mar 14, 2017 this experiment is performed in the physics 192 lab at qatar university. Enjoy an entertaining and free pdf book on physics, the science of motion. Cpo physics textbook and laboratory book types of materials. As before, there are multiple images of the ball that are each 124 of a second apart. Make 17 rows since there are 17 images of the ball. Students will utilize formulated equations to determine theoreticalvalues of a projectile s position along a trajectory. Measurement of gravity with a projectile experiment daniel. Projectile motion objective the projectile motion experiment applies a working knowledge of kinematics for motion intwo dimensional space. Physics 3 summer 1990 lab 1 projectile motion theory consider an object launched at time t o 0 at some angle. Projectile experiment pdf the purpose of this lab is to study the properties of projectile motion.
The projectile leaves the cannon at t 0 with a velocity v and an upward angle. Go to the phet lab simulation page below projectile motion and open the simulation. In this experiment, we will change the angle of a cannon and see how it affects the distance a cannonball will travel. Projectile motion the purpose of this lab is to study the properties of projectile motion. Physics projectile motion lab report professional custom writing. At any time t, the instantaneous velocity of a projectile is a vector, v, tangent to the flight path. The physics classroom grants teachers and other users the right to print this pdf document and to download this pdf document for private use.
Conceptual physics textbook chapter 2 second edition, laboratory book and conceptdevelopment practice book. Center a piece of blank paper over the point of impact, and tape the paper in place with masking tape. Projectile motion california state university, fullerton. In this experiment, an object in motion is illuminated. Experimental data will be acquired and compared to the theoretical results. If you change flag spacing, all premeasured data will be recalculated. Projectile motion quiz questions, projectile motion mcqs answers pdf 72 to learn physics, online college degree courses.
This experiment involves the study of motion using a ccd video camera in which a sequence of video frames a movie is recorded onto computer disk and subsequently analyzed with computer programs. Observations to infer conclusions critical thinking, and communicate these. Repeat the experiment, using a table that is not horizontal. Projectile motion s4p115 solve simple freefall problems using the special equations for constant acceleration. Projectile 1 is fired from ground level with velocity v1 at an angle. Projectile motion is a form of motion experienced by an object or particle a projectile that is projected near the earths surface and moves along a curved path under the action of gravity only in particular, the effects of air resistance are assumed to be negligible. The lab also taught how to use the kinematic equations for two dimension motion. Analysing projectile motion projectile motion will be analysed using the equations of motion introduced in year 11 module 1. The projectile motion equations these equations tell you everything about the motion of a projectile neglecting air resistance.
Projectile motion to make it is a firsthand investigation, we are even a lab report 36. Galileos projectile model teacher notes activity description. The change of the x displacement can be changed dramatically by any type of variable such as initial angle, initial speed, initial height, and air resistance but it is negligible. How to solve any projectile motion problem the toolbox method duration. During the experiment, the projectile launcher was elevated approximately 26 cm above the ground d y. Of the lab report and enter the results in the results part of the table. This 2d motion, called projectile motion, consists of a ball projected with an initial velocity in the. Westfall 2011 chapter 3 motion in two and three dimensions. When galileo investigated the motion of a projectile, he deflected the motion of a ball down a slope as shown here. Measurement of gravity with a projectile experiment daniel brown aberystwyth university abstract the aim of this experiment is to measure the value of g, the acceleration of gravity at the surface of the earth, by timing how long a frictionless projectile takes to travel through the air before hitting the ground.
Safety goggles should be worn during this experiment. Ask students what assumptions are being made by modelling a ball as a projectile. Projectile motions lab investigating if the initial height. Using this common factor of time allows for the calculation of many different values. Projectile motions lab abstract this lab for projectile motions will be investigating the properties of the x displacement of a projectile. The distance traveled in the horizontal direction was measured for multiple firings of each trial, and the values were averaged. Summary notes and examples equations of motion when an object is thrown, projected or shot upwards or downwards, it is said to be a projectile. The key to projectile motion is to analyze the motion one axis at a time either xaxis or yaxis. Solve problems for projectiles launched horizontally and at various angles to the. Attach the photogate bracket to the launcher and attach the photogate to the bracket. Understand that the horizontal motion and the vertical motion are decoupled.
In this lab, you will study motion in two dimensions. Vertical projectile motion live 08 april 2015 section a. The newtonian mechanics principles that you have been studying allow you to predict this type of motion quite well. Kinematics displacement, velocity, acceleration, 1. We can divide v into its horizontal and vertical components.
The initial velocity for each firing was likely to be the same. Textbooks, laboratory manuals, demonstrations, worksheets and activities. Projectile motion is the twodimensional motion of an object under the influence of earths gravitational acceleration, g. We will therefore need to be comfortable using vectors and their x and y components. Physics 106141 projectile motion air table lab introduction in this experiment you will be studying twodimensional motion. For a given initial velocity, the projectile range will be measured for various initial angles. It is therefore important to help learners to understand clearly what is meant by free fall, especially since falling has a different meaning in common language than in. It is difficult to collect data which will allow you to plot the graphs with a reasonable degree of accuracy, especially using only simple apparatus. In this experiment, you will roll a ball down a ramp and determine the balls velocity with a pair of photogates. Projectile motion department of physics and astronomy. A particle moving in a vertical plane with an initial velocity and experiencing a freefall downward acceleration, displays projectile motion. This is slightly above the hypothesised optimum angle of 44. Any object that is being acted upon only by the force of gravity is said to be in a state of free fall.
I would do this multiple times to get the most accurate value. University physics with modern physics st1 edition by w. We study projectile motion, which can be described as accelerated motion in the vertical direction and motion at uniform velocity in the horizontal direction. All books are in clear copy here, and all files are secure so dont worry about it. However, projectile motion is two dimensional motion. To measure projectile motion, i would create an experiment that utilized a ball launching up a certain height. Lab assignment projectile motion introduction to measure. Students use tabletopsized robots to build projectile throwers and measure motion using sensors. Pdf a simple and inexpensive experimental setup for studying projectile motion using a lowcost projectile launcher and a. There are several formulas which are very important for some calculations. Next, download the activity pdf file called projectile motion simulation lab. Projectile motion simulations perform this simulation lab before next class. This experiment presents an opportunity to study motion in two dimensions. This experiment sought to understand the mass dependence of that constant acceleration.
This is a high resolution photo of a ball being launched at an angle. To learn the motion relations of both height for the vertical motion and the range for the horizontal motion with the different projector throwing angles. However, the document should not be uploaded to other servers for distribution to andor display by others. The acceleration of the projectile is constant in time, as confirmed by a previous experiment. Once the motion of a projectile is understood, knowledge of a few initial. Substituting these special earth gravity values of a. Derive algebraic expressions for the range and total timeofflight of a projectile launched with initial speed vo from a height h at an angle.
Projectile motion lab report professional custom writing. Pdf file report guidelines project handoutsresources battering ram. We will therefore need to be comfortable using vectors and their x and y. Perform one more test launch to make sure the paper. Some examples of projectile motion are the motion of a ball after being. It is particularly relevant to shotput competitors and their coaches, as the launch angle has a significant effect on the distance travelled. Projectile motion worksheet with solutions worksheets. For the purpose of our study, we must break up the twodimensional motion into two onedimensional motions.
Projectile motion in this lab we will study two dimensional projectile motion of an object in free fall that is, an object that is launched into the air and then moves under the in uence of gravity alone. Make sure you understand the projectile motion equations. Jul 14, 2011 if the reenactment is to be safe and realistic, the motion of the projectiles it launches must be well understood. I would require a ball, something to launch it with, and a stopwatch. Examples of projectiles include rockets, baseballs, reworks, and the steel balls that will be used in this lab. As you learned in class, motion in 2d can be separated into 2 onedimensional problems. In this lab we will study two dimensional projectile motion of an object in free fall that is, an object that is launched into the air. Theory the other type of the motion in this experiment is the horizontally projected motion.
Open the file 08 projectile motion in the physics with vernier folder. Projectile motion multiple choice questions and answers pdf mcqs, projectile motion, fluid flow, equilibrium of forces, errors in measurements in physics quiz for online physics grad programs. Projectile motion lab report conclusion the writing center. If you know the conditions yo, vox, voy at t 0, then these equations tell you the position xt, yt of the projectile for all future time t 0. Measure the height, h, the vertical distance from the end of the ramp down to the floor and record it on your worksheet. The purpose of this lab is to study the motion of a projectile launched using a projectile launcher and inspect different aspects of projectile motion using high speed video processing. Projectile motion is a special case of uniformlyaccelerated motion. Use the poor mans plumb bob string with paper clip attached to define the point vertically downward from the point where the string touches the pulley tangentially. Projectile motion objectives to ascertain that the parabolic motion of an object in two dimensions can be analyzed by considering the motion in each dimension separately to check for the existence of possible systematic errors in the data by comparing the. Experiment 8 physics with computers 8 1 projectile motion you have probably watched a ball roll off a table and strike the floor. Derive algebraic expressions for the range and total timeof flight of a projectile launched with initial speed vo from a height h at an angle.