You will have to derive it before arriving to lab and the derivation must be included in the lab report. Projectile motion is a special type of motion in two dimensions. In this lab measurements will be taken to determine the initial velocity of objects experiencing projectile motion. This lab involves a twodimensional projectile motion problem. For a given initial velocity, the projectile range will be measured for various initial angles, and also. Physics 111 lab report 4 phys 111 iowa state studocu. You must wear your safety goggles at all times during this experiment. Using this setup, all three kinds of projectile motion horizontal, oblique ground to ground, and oblique from a height are studied. One positive to come from the results was that the fractional loss in kinetic energy was identical to the mass ratios from the. In some cases the errors in one quantity will be very small relative to the scale of the graph and you may omit them.
More problems occured when we were testing the catapult. In this experiment, an object in motion is illuminated. Projectile motion the purpose of this lab is to study the properties of projectile motion. Projectile motion introduction in this lab you will study the motion of a freelyfalling projectile, namely a small plastic sphere. The purpose of this lab is to study the properties of projectile motion. Galileo figured out the physics of uniformlyaccelerated motion by studying the motion of a bronze. Introduction we verified newtons second law for onedimensional motion by timing an accelerated glider moving along a flat track. The ballistic pendulum is a device where a ball is shot into and captured by a pendulum. On the lab manual there are some trial values that you can use to check if your formulae are correct. Physics laboratory report sample phy 223 lab report newtons second law. Projectile lab student you will shoot a projectile across the room using a rubber band and calculate how far it flies. An analysis of projectile motion projectile motion lab report phy 302k. It will get long and ugly and it will be much easier to make algebra mistakes phys 149314942699.
Set up the data studio to measure the angle of the apparatus when the projectile is fired 6. To predict and measure the range of a projectile when the projectile is. Projectile motion lab determine the initial velocity of a. An analysis of projectile motion projectile motion lab report. These features allow student predictions and calculations from the kinematics equations to be empirically verified. For now, we will assume that the air, or any other fluid through which the object is moving, does not have any effect on the motion. Investigating systematic uncertainty and experimental. You and your lab partners will work together, but you each must submit an individual lab report, with a discussion of the lab. Most of the uncertainty in recording time of flight came from deciding the time.
The potential energy of a system is equal to mass x height x gravity. To appreciate their industriousness we shall explore the ideas of physics behind the scenes and explain the data analysis used to interpret the results. Uniformly accelerated motion lab report mind kinesis. Neatly write your lab report i think this is the slowest way. White paper introduction projectile motion is a special type of motion in two dimensions. Task 1 mass of the projectile you will use a simple balance to measure the mass of your projectile. Physics projectile motion lab by gloria li on prezi. Anything included in this report in red with the exception of the. We observed that the yvelocity changed at the same rate slope of v y plots. Projectile motion is two dimensional motion that takes place in a uniform gravitational eld and whose motion is in uenced only by that gravitational eldi. The vertical and horizontal components of projectile motion are independent from each other.
The study of such motions is called ballistics, and such a trajectory. In addition, photogates and other accessories are designed to work seamlessly with our projectile launchers. Projectile motion and mass martha jones july 14, 2011 physics 1101w, professor yoda, ta obiwan kenobi. In addition to the standard elements of a well written lab report described in the introduction to.
Fire the projectile at the first second and third click and record results 7. Ballistic pendulum and kinematics have a plethora of applications in todays world. Projectile motion is a special case of uniformly accelerated motion in 2. It is much simpler to compute the following quantities step by step. A projectile motion was clearly illustrated in this experiment. The purpose of this experiment was to study and analyze the dynamics of 2 dimensional. The objective of this investigation is to make predictions about the behavior of a projectile. Of the entire machine, so that much will just have to stay out of the report. Metal balls 1to5cm diameter, meter stick, digital calipers, plumb bob, ramp, lab jack, paper, carbon paper, tape the goal of this lab is to predict and then measure the horizontal range of a ball that rolls off a ramp, and to think about how the range of motion of a ball is affected by how it is moving. Even more speci cally, the term is typically applied when the motion takes place. Projectile motion is a form of motion experienced by an object or particle a projectile that is thrown 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. Table 3 lists the acceleration a derived for each run from the data of table 1. Projectile motion refers to the motion of an object in a vertical plane under the influence of gravity, but is.
Introduction theory in part 1 of this lab, a marble will accelerate down a ramp which will cause it to have horizontal velocity, which will be calculated based on lab results. Projectile motion lab determine the initial velocity of. Phys 1030 general physics i lab projectile motion in this lab you will perform an experiment to understand and analyze the motion of a projectile. Using the rules for error propagation see handout errors and the treatment of data.
I n t r o d u c t i o n in the current unit, u nit 2. Your lab report for this experiment should contain. We report on the experimental determinationof the range of a small metal projectile that is launched from a device that imparts a known initial speed and direction. Motion in two dimensions 2d, projectile motion, kinematic equations. In addition to the standard elements of a well written lab report described in the introduction to this manual, your report must include. Physics 31210 lab 2 projectile motion introduction. Physics investigation analysis of projectile motion using. Sejal vallabh, sarah shy, yarden gavish, julia schlossman, gloria li experimental question what is the gravitational acceleration of an object projected into motion on earth. It is necessary to first determine the initial velocity. We have these projectile cannons that shoot small balls. Word for writing lab reports, especially for its handy tool equation editor. Pdf projectile motion ib physics sl lab report leonardo brown. This 2d motion, called projectile motion, consists of a ball projected with an initial velocity in the earths gravitational field.
The ballistic pendulum, projectile motion, and conservation of momentum nov 8, 2009. It is necessary to first determine the initial velocity of the ball when launched from the springloaded gun. A tabular summary of the launch stopping times and ranges x for each launch position. In this lab, you will study motion in two dimensions. Failure to do so will find you expelled from the lab room. Combine the equations from questions 24 to get the error in launch speed. For a given initial velocity, the projectile range will be measured for various initial angles, and also calculated by applying the theory for. Projectile motion now that we know how the components of the initial velocity look like we have everything we need to find the range of the parabolic motion i will leave this derivation to you. M u r z a k u n o v e m b e r 1 1 t h, 2 0 1 1 yadesh prashad, timothy yang, saad saleem, mai wageh, thanoja gnanatheevam. Projectile motion introduction the purpose of this lab is to study the properties of projectile motion. Oct 27, 2011 projectile motion lab 3 possible errors. In part 2, the projectile motion of the marble after it rolls the table will be analyzed.
Mercer physics lab manual phy 141 introductory physics i phy 161 general physics i lab report guidelines. Please discuss with your partners and write the answers to these in your notebooks. Projectile motion so far you have focused on motion in one dimension. Some examples of projectile motion are the motion of a ball after being hitthrown, the motion of a bullet after being fired and the motion of a person jumping off a diving board. 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. In this part of the lab, we will plot the positions x and y coordinates of the steel ball.
In this appendix there are three sample lab reports, which are based on the actual lab reports. Projectile motion, for our purposes, is the motion of an object that has been launched and then is subject to only the force of gravity and the force of air friction. The measured initial velocity and height were used in a kinematic equation that was converted into the predicted range equation to calculate a predicted range of. Apr 11, 2014 in conclusion, this lab allowed us to investigate projectile motion by determining the initial velocity given to the ball and ultimately predict the range of a projectile. Further develop an appreciation of analysis of errors in physical measurements. Needlessly philosophical or lengthy remarks will cost you points. In this case, the kinematics equations give the results for the. Once it is moving through the air, its path is dictated by its initial velocity, and gravity.
Pasco spring gun, projectile yellow plastic ball, plumb bob, meter stick. There are several components of error which could significantly modify the. What would be some possible errors that cant be obvious calculation errors, aimingtarget placement errors. My class did a projectle motion lab where we shot a ball, determined the muzzle velocity, then calculated the range and time of flight and maximum height. 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. Projectile motion dmitriy beznosko, phys161151 abstract this experiment is to measure the projectile motion using a simple. Physics 1050 experiment 4 introduction projectile motion is the special case of twodimensional motion experienced by objects only under the influence of gravity. Projectile motion occurs when an object in a two dimensional plane experiences motion only due to gravity.
Each lab group of three students records one launch of the ball using a. Projectile motion experiments are a staple of introductory physics laboratories, and generally. Kinematic equations can be used to describe the components of projectile motion. This curved path was shown by galileo to be a parabola. Objective to measure the initial velocity of a projectile when. Some physics phenomena are too difficult, expensive, or time consuming for a high school physics lab to explore. Physics investigation analysis of projectile motion. Introduction to data analysis exit capstone, and open an excel spreadsheet. Projectile motion experiment ex5502 products pasco.
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. The purpose of this lab is to study projectile motion of an object which is launched horizontally and drops a certain height before it hits the ground. Allen hobart and william smith colleges geneva, ny 14456 usa september 15, 2001 abstract we report on the experimental determinationof the range of a small metal projectile that is launched from a device that imparts a known initial speed and direction. Do not forget to write down the final formulae on the lab report. The major contributor of error, however, was most likely from the distance measurements from the projectile part of the lab. Part 1 preliminary measurements tasks 1, 2, and 3 can be done at the same time by different members of your group. Compute the average value of the recoil angle max 0. Report any problems or suggest improvements to your ta.
From the motion of a steel ball projected horizontally, the initial velocity of the ball can be determined from the measured range. Jul 14, 2011 the resulting projectile motion was recorded with a video camera. Kinematics constant acceleration projectile motion now for the objective. A projectile is any object that is given an initial velocity. For a given initial velocity, the projectile range will be measured for various initial angles. Excel, has data fields that allow you to enter data. In this experiment we used video analysis features of logger pro to analyze the motion of the basketball we threw, which means we transfer the video of the moving ball into a graph of trace. Projectile motion lab determine the initial velocity of a ball launched horizontally predict and verify. By rolling a steel marble down a ramp and measuring its horizontal range, you can calculate the marbles launch velocity. Projectile motion california state university, fullerton.
You must indicate all of your lab partners on the report. Note that although you will be working on both data collection and analysis in groups, you will maintain your own logbook. Recall from error analysis in the physical sciences, page 9 propagation of errors. Here is some stuff on kinematics and projectile motion. To check for the existence of possible systematic errors by comparing. A go back to your photo and using the first image of the ball determine the initial position of the ball on each axis. Ask your ta to assign a value of horizontal distance range for your group. To confirm this velocity with an independent measurement, you can use a photogate. Some of our data may be inaccurate because we may have stoped the time too early or too late, we will never know for sure what exact time the ball landed and exactly where it landed. Pasco projectile launchers are designed for repeatable and accurate launches. Conclusion the hypothesis proved to be correct except that the tension didnt cause a higher initial velocity, and the research question fulfilled its role as guide in. Cvgs physics lab 06 investigation analysis of projectile motion using ip.
These movies were analyzed with labview to study the projectiles motion in the horizontal. Mass the metal sphere projectile and the pendulum apparatus, as well as both of them combined 4. Physics 3 summer 1990 lab 1 projectile motion theory consider an object launched at time t o 0 at some angle. The main goal of this lab is to determine the launch velocity of a ball launcher with uncertainty. Physics 10112111 labs general guidelines the physics 1011 and 2111 labs will be divided into small groups so you will either be working with one lab partner, or, for the larger classes, in a small group. Motionlab analysis software was used to generate horizontal position, vertical position, time triplets at each frame in the trajectories and, by linear interpolation, horizontal velocity, vertical velocity, time triplets between each pair of consecutive frames in the. This motion is relies in to components the vertical and horizontal. If the object, metal ball, was launch on a given angle has constant initial velocity which acts on the horizontal component.
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