A block weighing #4 kg# is on a plane with an incline of #(2pi)/3# and friction coefficient of #4/5#. How much force, if any, is necessary to keep the block from sliding down?

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A block weighing #4 kg# is on a plane with an incline of #(2pi)/3# and friction coefficient of #4/5#. How much force, if any, is necessary to keep the block from sliding down?

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Answer 1 · 2017-01-04T13:06:14

An incline of #(2pi)/3# radians is #120^o# and therefore the object would not slide down the slope but rather fall of it because it would be upside down!

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A block weighing #4 kg# is on a plane with an incline of #(2pi)/3# and friction coefficient of #4/5#. How much force, if any, is necessary to keep the block from sliding down?

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