1. The magnitude of the kinetic friction force... A) is equal to or less than k

Question

1. The magnitude of the kinetic friction force...

A) is equal to or less than k|FN|.
B) is equal to or less than s|FN|.
C) is always equal to k|FN|.
D) is always equal to s|FN|.

2. The magnitude of the static friction force...

A) is equal to or less than s|FN|.
B) is always equal to k|FN|.
C) is always equal to s|FN|.
D) is equal to or less than k|FN|.

Please, show all of your work. This means show step by step how you arrived at your answer(s). Include any equations or formulas used to arrive at the answer(s). Thanks!

Explanation / Answer

1. C

since formula for kinetic frictional force is k|FN|

2. C

since formula for static frictional force is s|FN|.

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