A 175-kg crate is being pushed across a horizontal floor by a force P that makes...
A 175-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 35.1 ° below the horizontal. The coefficient of kinetic friction is 0.204. What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero?
Homework Answers
Concept: the horizontal component of applied force and the friction force must be equal for the net work to be zero. We use this to find the value of force as shown below
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