Range of a projectile setting up and getting started you wish to launch a white plastic ball and investigate its range as a projectile. The purpose of this experiment is to predict the horizontal range of a projectile shot from various heights and angles. Experiment 4 projectile motion purpose to verify the flight range and flight time of a ball launched at an angle equipment projectile launcher and plastic ball, one photogate, plumb bob, photogate bracket, 2mmeterstick, white paper, carbon paper, timeofflight timing pad, interface, computer. Projectile motion kinematics air resistance parabolic curve. The information posted here is a description of how we constructed a projectile launcher and a target that begins to fall at the same time the projectile is launched.
Aug 25, 2015 the projectile motion must have a force to move it, which is a gravity force. From the motion of a steel ball projected horizontally, the initial velocity of the ball can be determined from the measured range. Visual scientifics projectile launcher is used to study kinematic equations, and conversion between gravitational potential and kinetic energy. The motion of a projectile is a twodimensional motion. For a fixed initial speed, therefore, you can easily see ho. Ideal projectile motion experiment each student will kick a soccer ball and measure its initial launch speed and angle. Many students have difficulty with the concept that the only force acting upon an upward moving projectile is gravity. This experiment uses a projectile launcher me6800, a plastic ball, two photogates me9204a, a plumb bob, a photogate bracket, a 2m meterstick, white paper, carbon paper, time of. Phet sims are based on extensive education research and engage students through an intuitive, gamelike environment where students learn through exploration and discovery. The simulation also displays trajectories, solutions, gives framebyframe information on the projectile, simulates the speed of a rifle and the famous monkeyhunter thought experiment.
But, today i want talk a little bit about projectile motion and i hope enjoy it. Take at least one set of data for each person in your lab group. Once it is moving through the air, its path is dictated by its initial velocity, and gravity. Shortly after discussing projectile motion about five weeks into the semester, students are presented with the task of building a launcher to launch a ping pong ball over an obstacle and. I developed an inquirybased lab to have students successfully. In this lab we will compare different parameters of a launched projectile. Provide gk12 physics educational systems with a lowcost alternative to physics education smart and integrated projectile launcher utilizing microcontrolled actuators and sensors integrates three commonly taught physics experiments into one device 2d projectile motion hookes spring law conservation of energy figure 1. Pdf a simple and inexpensive experimental setup for studying projectile motion using a lowcost projectile launcher and a. Here are 4 calculations to find the velocity of a ball from a projectile launcher. This demonstration can be used as part of an interactive lecture.
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. Objective to measure the initial velocity of a projectile when. Connectivity with ios, mac, android, windows and chromebooks. That is why soccer ball is sphere instead of a cube. Projectile motion the purpose of this lab is to study the properties of projectile motion. Learn about projectile motion by firing various objects at different speeds. The solid, heavy base provides an easytouse and reliable setup.
We took a marble, put it on a ramp and let it roll along the table and off the table. By applying physics equations derived in class, students predict the range of the ball and compare it to actual range. View lab report projectile motion manual from phy 1122 at university of ottawa. Projectile motion introduction in this lab you will study the motion of a freelyfalling projectile, namely a small plastic sphere. Apr 01, 2018 the description of projectile motion this simulation allows users fire projectiles from a launcher at any angle, and different speeds and elevations. Horizontally launched projectile video khan academy. We used knowledge of projectile motion to predict the landing point. Pdf an experiment on projectile motion researchgate. I did a lab experiment based upon projectile motion. The smaller the projectile, the smaller the air drag. Projectile motion and its application ninayanapika.
Using a launcher and two photogates, the initial velocity of a projectile a steel ball with a diameter of 25 mm will be determined. A simple and inexpensive experimental setup for studying projectile motion using a lowcost projectile launcher and a microcontrollerbased photogate timer is described. Video physics for ipad, iphone, and ipod touch vernier software. Try launching the projectile by pulling back to the 2, 3, and 4 cm mark. In addition, students will compare the time of flight for projectiles shot horizontally at different muzzle.
They compute distances and velocities using simple kinematic equations. Put the projectile in the launcher as illustrated below. Create marketing content that resonates with prezi video. Paper airplane launcher a few simple office supplies create one fast fly paper airplane. Projectile motion is a planar motion in which at least two position coordinates change simultaneously. How to solve for the horizontal displacement when the projectile starts with a. Projectile motions lab investigating if the initial height. Projectile motion lab determine the initial velocity of a ball launched horizontally predict and verify. The projectile motion equations these equations tell you everything about the motion of a projectile neglecting air resistance. Use the vernier projectile launcher to investigate important concepts in two dimensional kinematics. Think about the definition of projectile motion and the forces involved in both of. Experimental data will be acquired and compared to the theoretical results. Change your launcher so that your projectile is launched at a different speed and repeat.
The path followed by a projectile is called its trajectory. Students will utilize formulated equations to determine theoreticalvalues of a projectile s position along a trajectory. Contructing a projectile launcher and free falling target. In this case, there are no forces acting in the xdimension. Learn about projectile motion by firing various objects. 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. A projectile launched into the air either horizontally or at an angle represents two dimensional motion. Experiment 2 free fall and projectile motion objectives learn how to solve projectile motion problems.
Obtain a box that is the same height as the projectile launcher. 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. Investigate projectile motion and apply realworld engineering problem solving. Projectile motion, for our purposes, is the motion of an object that has been launched and then is.
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. 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. One i thought of is that the table is not completely level and that means. Projectile motion department of physics and astronomy. Projectile motions lab abstract this lab for projectile motions will be investigating the properties of the x displacement of a projectile. Projectile is defined as, any body thrown with some initial velocity, which is then allowed to move under the action of gravity alone, without being propelled by any engine or fuel. Results should be shown in a table separate from the experimental data. This includes time of flight, initial velocity, initial vertical velocity, initial horizontal velocity, range, time of max.
The vernier projectile launcher allows students to investigate important. 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. Vernier video physics for ios brings physics video analysis to the iphone, ipod touch, and ipad. Students participate in an interactive experiment for measuring the muzzle velocity of the launcher to identify varying launch angles in order to quantify the initial kinetic energy of the projectile. This curved path was shown by galileo to be a parabola. Student teams each construct a desktop launcher from a swingarm protractor and then experiment with launch angles, launch mechanism, and types of projectiles.
Dec 07, 2015 random first vid but it was for ap physics. You can read that to see why i use mobile apps in science, why i predominantly look at ios apps. Vertically, gravity still pulls unilaterally and results in a uniform downward acceleration of 9. Aluminium construction with hardened steellatches includes assembled spring loaded gun, two balls of aluminium, protractor, plumb bob and operating instructions. Use the vernier projectile launcher to investigate important concepts in twodimensional kinematics. Spring loaded guntype launcher allows you to shoot the metal balls from horizontal to 90. General operation of the projectile launcher safety glasses must be worn during this experiment. To follow in detail the motion of an object in two dimensions, and to ascertain that the motion can be analyzed by considering the motion in each dimension separately.
Understand that the acceleration due to gravity is constant 9. Determine the initial velocity of a ball launched horizontally predict and verify the rang. For a given initial velocity, the projectile range will be measured for various initial angles. During the experiment, the projectile launcher was elevated approximately 26 cm above the ground d y. The projectile should be horizontal as it is launched. We learned that a heavier mass object will have a shorter distance than a lighter mass object. In this experiment, you will learn how to create your own projectile motion experiment in order to calculate initial velocity of a horizontally launched projectile and the distance traveled.
Launch steel balls at angles between 0 and 70 degrees and over distances up to 2. Feb 22, 2010 i did a lab experiment based upon projectile motion. Discover the world of experimental archaeology as you craft and use your own atlatl, bow. Projectile motion experiment ex5502 products pasco. To apply the concept, students calculate the necessary speed of an object to reach a certain distance in a hypothetical scenario. Title projectile motion abstract a projectile was fired from atop an elevation and an angle. 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. Pasco spring gun, projectile yellow plastic ball, plumb bob, meter stick. Projectile motion fired at an angle phet contribution. The tail edge of the projectile has been marked at 1 cm intervals. The distance traveled in the horizontal direction was measured for multiple firings of each trial, and the values were averaged.
Projectile motion is about something that move against. Students use tabletopsized robots to build projectile throwers and measure motion using sensors. Worst project ever, but still got a 100 on that shii. Tips for teaching physics and astronomy online mcc launch 42719. Ive learn about projectile motion when i was in first semester in university. The description of projectile motion this simulation allows users fire projectiles from a launcher at any angle, and different speeds and elevations. Note that the drawing area is rescaled whenever the initial speed is changed, but not when the launch angle is changed. Smart and integrated projectile launcher utilizing microcontrolled actuators and sensors integrates three commonly taught physics experiments into one device 2d projectile motion hookes spring law conservation of energy figure 1. Founded in 2002 by nobel laureate carl wieman, the phet interactive simulations project at the university of colorado boulder creates free interactive math and science simulations. Blast a car out of a cannon, and challenge yourself to hit a target. They compute distances and velocities using simple kinematic equations and confirm their results through measurements by hand.
What are some common and important real life applications. See more ideas about projectile motion, motion physics and physics. The study of such motions is called ballistics, and such a trajectory. For a fixed initial speed, therefore, you can easily. When projectiles are released at an angle, their trajectory has unique horizontal and vertical behaviors. Projectile motion lab by jessie clingerman on prezi. The shape of the object will also affect the air drag. Schematic of the flight of the marble over the table. The goal was to predict where it was going to land and place a cup there. Projectile motion introduction in this experiment, a projectile launcher is used to investigate important concepts. Two dimensional motion activity projectile motion purpose. The completed project is a spectacular demonstration of the concepts of projectile motion.
Understand that the horizontal motion and the vertical motion are decoupled. Projectile motion department of physics and astronomy 59 projectile motion prelab assignment derive algebraic expressions for the range and total timeofflight of a projectile launched with initial speed v o from a height h at an angle above horizontal. In order to see how linear the two graphs are, make graphs of v x vs. A pair of photogates in the launcher will help you measure the initial speed.
You will use this information and your knowledge of physics to predict where the ball will land when it hits the floor. Overall this project gave us a better understanding about calculating velocity, acceleration, force, and using the projectile motion formula. Motion in two dimensions 2d, projectile motion, kinematic equations. Even ive learn about this long time ago, it still make me want to learn about it more. Make sure you understand the projectile motion equations. Vernier projectile launcher instruments direct services. When the projectile launcher is loaded, a yellow indicator is visible in one of the range slots in the. The initial velocity for each firing was likely to be the same. In this experiment, you will use a projectile launcher to fire a ball horizontally. A projectile is any object that is given an initial velocity.
Spring loaded guntype launcher allows you to shoot the metal balls from. For a projectile that is launched horizontally and falls towards the ground, the horizontal distance it travels can be predicted in advance from the height off of the ground and the launch velocity. This includes time of flight, initial velocity, initial vertical velocity, initial horizontal velocity, range, time of max height. Application of projectile motion projectile motion. 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. Projectile motion objective the projectile motion experiment applies a working knowledge of kinematics for motion intwo dimensional space. The bigger the projectile, the bigger the air drag. Students will utilize formulated equations to determine theoreticalvalues of a projectiles position along a trajectory. These two motions take place independent of each other. In this experiment, you will predict the horizontal range of a projectile using measurements of height.