Physics Chapter 4 (Forces And Motion)

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Last updated 8:31 AM on 8/19/26
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7 Terms

1
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Where does the centripetal force ALWAYS act at a circle?

The centre of the circle.

2
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Formula for load-extension graph.

F = k x 𝑥

3
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Unit for load-extension graph.

N/cm or N/m depending on the unit

4
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Unit for “Force”.

Force = Mass x Acceleration.

5
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Define the term “Moment”.

A turning effect of an object about pivot.

6
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Formula for “Moment”.

M = F x d

7
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Why is holding a wrench at the end easier to turn?

The distance between the pivot is larger, therefore you’ll only need a smaller amount of force to turn the nut.