# A 4.00 kg block rests on a 30 degree incline. If the coefficient of the static friction between the block and the incline is 0.700, what magnitude of horizontal force F must act on the block to start it moving up the incline?

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A 4.00 kg block rests on a 30 degree incline. If the coefficient of the static friction between the block and the incline is 0.700, what magnitude of horizontal force F must act on the block to start it moving up the incline?

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Step 1

Here, the figure shows a box of mass m inclined at an angle θ = 30o with weight mg and force F and frictional force f with coefficient of the static friction μ.

Step 2

Given,

Step 3

From the above figure, we can find the frictional f...

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