A 50-N Crate Is Pulled Up a 5 $\degree$ To the Horizontal and There Exists a Constant Frictional Force

question 25

Multiple Choice

A 50-N crate is pulled up a 5.0-m inclined plane by a worker at constant velocity. If the plane is inclined at an angle of 37 $\degree$ to the horizontal and there exists a constant frictional force of 20 N between the crate and the surface, what is the force applied by the worker?

• A) zero
• B) 50 N
• C) 30 N
• D) 40 N

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Inhaler

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