Sally applies a horizontal force of 345 N with a rope todrag a wooden crate acro

Question

Sally applies a horizontal force of 345 N with a rope todrag a wooden crate across a floor with a constant speed. Therope tied to the crate is pulled at an angle is 40 degrees relativeto the floor. The accelerationh of gravity of 9.8 m/s2 How much force is exerted by the rpe on the crate (ans. inNewtons), and what work is done by Sally if the crate is moved 48.1m? ans. in units of J. How much force is exerted by the rpe on the crate (ans. inNewtons), and what work is done by Sally if the crate is moved 48.1m? ans. in units of J.

Explanation / Answer

force exerted by the rope on the crate=F F*cos40=345 F=448.05 N frictional force=345 since the block have constant speed work done=force*displacement                 =345*48.1                 =16594.5 J

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