## Description

Complete the lab report according to the requirements of LAB REPORT GRADING RUBRIC. I have attached an example for reference. I need to finish it by 1pm on February 25 California time.

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## Explanation & Answer

Attached. Please let me know if you have any questions or need revisions.

Partner’s name

Title : Simple Harmonic Motion

Objectives: To calculate the spring constant ‘k’ of a spring by using Hooke’s Law and Newton’s

2nd law and validate the results.

Theory

F

x

mg

mg

Applying Newton’s 2nd law,

F − mg = 0

But

From the Hook’s law

F = kx

Then

kx − mg = 0

k=

mg

x

F

X1

mg

X

mg

mg

Applying Newton’s 2nd law to the stage 2

F − mg = 0

But

From the Hook’s law

F = kx

Then

k(x1 + x) − mg = F

kx1 + kx − mg = F

But from 1st part

mg = kx1

Therefore,

F = −kx

md2 x

= −kx

dt 2

d2 x kx

+

=0

dt 2 m

Apparatus

•

•

•

•

•

•

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