Lab 4 Report

# Lab 4 Report - 1 Newton's Second Law We are observing the...

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1 Newton’s Second Law We are observing the motion of a 500g cart when acted on by a rope attached to a weight hanging off a pulley. Using a computer, we will analyze the forces and acceleration of the cart. Exercise 1: Acceleration with a Varying Force and a Constant Mass Experiment: We set up the cart as shown in the above diagram. The computer took velocity measurements as we increased the weight hanging from 10g to 60g in 10g increments. The weight for the system was kept constant by placing the remaining weight on the cart. Data: The following is the recorded data from exercise 1. Exercise 1 m h (kg) a (m/s 2 ) error F (N) 0.01 0.137 0.00087 0.098 0.02 0.304 0.00049 0.196 0.03 0.489 0.0007 0.294 0.04 0.643 0.00071 0.392 0.05 0.792 0.00091 0.49 0.06 0.968 0.0012 0.588 The force above was calculated by using the equation: F = 9.8 m/s 2 x m Ex: .098 N = 9.8 m/s 2 x .01 g Upon graphing the force as a function of time, we get a linear association as shown on the graph on page. A calculated trend line gives us the equation: F = 0.5936a + 0.0133 Exercise 2: Acceleration with a Constant Force and a Variable Mass Experiment: We set up the cart as in the above diagram. The computer took velocity

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