Q1 a worker stands still on a roof sloped at an angle of

Reference no: EM13354656

Q1. A worker stands still on a roof sloped at an angle of 40° above the horizontal. He is prevented from slipping by a static frictional force of 324N. Find out the mass of worker.

Q2. A 29.0 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 85.0 N and is directed at the angle of 30.0° above the horizontal. Find out the coefficient of kinetic friction.

Reference no: EM13354656

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