A 9.0 kg block is sliding down a wall with constant velocity. The coefficient of

Question

A 9.0 kg block is sliding down a wall with constant velocity. The coefficient of static friction between the block and the wall is us=0.70. The coefficient of kinetic friction between the bloack and thr wall is uk=0.40. what is the magnitude of the force (in N) pressing the block against the wall? use g= 9.79 /s^2

A 9.0 kg block is sliding down a wall with constant velocity. The coefficient of static friction between the block and the wall is us=0.70. The coefficient of kinetic friction between the bloack and thr wall is uk=0.40. what is the magnitude of the force (in N) pressing the block against the wall? use g= 9.79 /s2

Explanation / Answer

Apply Ff = mg

uFn = mg

(.4)(Fn) = (6)(9.79)

Fn = 146.85 N

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