Acceleration Lab Report

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Acceleration Raul Ramos Acceleration is a measure of the rate at which the velocity of an object is changing. If you are riding in a car traveling in a straight line at a constant 50 kilometers per hour, you experience no acceleration because the car's velocity (rate of motion) is not changing. If the car begins to speed up, acceleration occurs because the car's velocity increases. If the car slows down, negative acceleration, or deceleration, occurs because the car's velocity decreases. Harmo
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  [Type text]   Acceleration Harmony School of AdvancementPre-AP Physics Raul Ramos Acceleration is a measure of the rate at which thevelocity of an object is changing. If you are riding in acar traveling in a straight line at a constant 50kilometers per hour, you experience no accelerationbecause the car's velocity (rate of motion) is notchanging. If the car begins to speed up, accelerationoccurs because the car's velocity increases. If the carslows down, negative acceleration, or deceleration,occurs because the car's velocity decreases.  [Type text] Table of Contents I.   Introduction .............................................................................................................................................................3   A.   Background Information and Research ..............................................................................................3   B.   Objective ..........................................................................................................................................................3   C.   Hypothesis .......................................................................................................................................................3   D.   Variables ..........................................................................................................................................................3   II.   Materials...............................................................................................................................................................3   III.   Procedures ...........................................................................................................................................................2   IV.   Data and Observations ......................................................................... Error! Bookmark not defined.   A.   Observations ........................................................................................ Error! Bookmark not defined.   B.   Data ......................................................................................................... Error! Bookmark not defined.   V.   Calculations .............................................................................................. Error! Bookmark not defined.   VI.   Analysis .................................................................................................................................................................2   VII.   Conclusion ...........................................................................................................................................................3   VIII.   Sources of Error ............................................................................................................................................3    [Type text] I.   IntroductionA.   Background Information and Research If a cart moves on a plane that is inclined at an angle θ , the component of the gravitational forceacting on the cart in a direction that is parallel to the surface of the plane is mgsin θ , where m isthe mass of the cart and g is the acceleration due to gravity. The acceleration of the cart, in theabsence of friction, should be gsin θ , both up and down the inclined plane. The acceleration isnot expected to depend on the mass of the cart B.   Objective    Determine what Deceleration means?    What does Acceleration mean?    What happens to the acceleration of a cart as it moves up and down aninclined plane? C.   Hypothesis As the slope or steepness of the graph increases we would expect theacceleration to proportionally increase according to the vehicles total mass. D.   Variables1.   Independent: Slope of the graph 2.   Dependent: Acceleration 3.   Constants: Materials Example: Ramp, Vehicle, and Weights II.   Materials Data Collection SystemDynamics Track Dynamics CartRod StandMotion SensorDynamics track PivotClampDynamics track End Stop  [Type text] III.   Procedures Set Up:1.   Start new experiment on Data Collection2.   Connect a Motion Sensor3.   Display position on the y-axis of a graph with time of the x-axis4.   Identify what the car does when acceleration is negative, but velocity is positive.5.   Set sampling rate to at least 20 samples per second6.   Attach the stopper at the end of the ramp7.   Mount the track to your rod stand using the pivot clamp8.   Attach the motion sensor to the elevated end of the track.Collect Data:1.   Set the car at the top of the incline2.   Approximately 15 cm from the motion sensor3.   Start data collection and release the car.4.   Catch the cart at the bottom of the inclined track just before it hits the end stop and stop datacollection5.   Set the cart at the bottom of the incline6.   Start data collection and give the cart a quick push up7.   Allow the cart to roll back down the track and catch the cart at the bottom of the inclined track  just before it hits the end stop and stop data collection8.   Sketch both runs on data in a graph.9.   Use data collection to apply a linear fit to each run10.   Save your data IV.   Analysis 1.   During the period when the cart was in motion, are the Velocity versus Time graphsstraight lines? Refer to the previous page if necessary. How is the acceleration of the cartchanging fi our velocity versus Time graphs are straight lines?2.   Although the paths of the cart in both trials were different, the slopes of the velocity versus Time graphs for each trial are the same (during the period in which the cart was inmotion.3.   Looking at the Velocity versus Time graph, what would a negative slope tell you about the cart’s acceleration? What would a positive slope tell you?  4.   What was causing the cart to accelerate after releasing it from rest at the top of thetrack? Was that acceleration constant?5.   Describe the motion of an object that has a velocity versus time graph that is ahorizontal straight line (a slope of zero).
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