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Elementary Classical Physics (PHYS 1061) Cart And Hanging Mass Lab Report

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Sandra Watson
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Lab 3 – This is lab report #3, Newton’s Second Law.

Temple University

Elementary Classical Physics I (PHYS 1061)

Introduction: The goal of this lab was to understand the Newton’s 2nd law and to understand
how force would be applied and how the mass of the system would affect/determine the
acceleration. Also, how using two different methods the acceleration can be obtained leading it
have to similar acceleration values.
Apparatus: For this lab, air track, two carts with the 10cm flags, pulley and a string was needed.
Also, two photogates, computer with the software Pasco interface and Capstone software. In
addition, Set of different masses were required.
Procedure:
Part 1: Setup.
● First step was to position the pulley at the end and hangs over the edge of the table refer
to the picture below to set up:
● Set up the photogate, as usual but this time 50 cm apart and align them so that a flag
therefore that the cart will be able to pass through the beam and record values.
● Measure the mass of cart(which came out to be 196g) and measure the mass of the hanger
(which came out to be 4.71g).
● Attach the pulley to the end of tack and hang the mass hanger and cart over pulley.
Part 2: Constant Force, Varying System Mass.
● Plug the photogate and set up the pre-configured timer that includes two
photogates and one flag and enter correct flag length.
● One person release the cart and other person catch it before it crash, and record
data.
● Make a data in Excel with the data.
● Add 10g to the mass hanger provided the pulling force., Release cart and record
five data for five different cart, and have 40g on the cart at the end.
● Copy all data in excel to make graphs.
● Do calculations using method 1 and method 2 to get the acceleration and then use
that information to get gravitational acceleration.
Part III: Verifying both force and system mass
● Find the m2/m1+m2 by using data from part II
● use gravitational acceleration and m2/m1+m2 to graph the data for part III.
● Make sure the m1 and m2 is in kg not g
Precautions: To make this lab better, human errors could be prevented. Also, the friction
between the cart and the surface could be minimized. etc.

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Elementary Classical Physics (PHYS 1061) Cart And Hanging Mass Lab Report

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