# Lab Report: Local Gravitational Acceleration Lab - Physics - Assignment

575 words - 3 pages

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Experiment: Local Gravitation Acceleration
Date: 04/017/2018
Experiment: Local Gravitational Acceleration Lab
Purpose
In this experiment, we use the materials given to find the local gravitational constant of a free falling object.
Materials
Quantity
Equipment
Model #
1
PASCO Interface (for two sensors)
1
Drop Box
ME-9889
1
Control Box
ME-9889
1
Control Box Transformer
ME-9889
1
ME-9889
1
Telephone Cord
ME-9889
1
Timer Switch
ME-9889
1
Small Steel Ball (5/8”)
ME-9889
1
Meter Stick
S32051
1
Large Metal Rod Base
ME- 8735
1
Metal Rod (36 in)
14-666-10DQ
1
Metal Rod (24 in)
14-666-10CQ
1
Right Angle Clamp
SE-9444
Formulas
y(t) - y0 = () gt2 + v0t
gavg =
gstdev =
Procedure
To begin the lab, we gather our materials and start setting up our station. After assembling the PASCO Discover Free Fall System, we hook it up to the GLX Xplorer program. To begin the procedure, we set up our rods and right angle clamp to a height that we would like to start out drops from. We attach our Drop Box to the rod extending out horizontal. We bring the metal ball up to the magnet and set the Time of Flight Pad directly below to calculate the free falls. Once we are ready for the ball to drop we hit record on the GLX Xplorer program and click our timer to release the ball from the magnet to land on the pad and calculate how many seconds it took to drop. After we do 10 drops we can then use the kinematic equation to solve for g.
Data and Results
Trial 1: 10 drops from the same height
Trial #
Height (m)
Time (s)
Gravity (m/s2...

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