Question
Asked Nov 5, 2019
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A horizontal force of 88.2 N is applied to a 30.5 kg crate on a rough, level surface. If the crate accelerates at 1.08 m/s2, what is the magnitude of the force of kinetic friction (in N) acting on the crate?

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Expert Answer

Step 1

 

Here, the net force, Fnet = 88.2N

Mass of the crate, m = 30.5kg

Acceleration of the crate, a = 1.08 m/s2

Kinetic friction, fk = ?

Step 2

The diagram depicts the direction of kinetic force and the net force.

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88.2 N

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Step 3

Here,

...
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F ma net that is, F-f, ma

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Physics

Friction

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