Solved: Suppose the worker in Exercise 6.3 pushes downward
Chapter 6, Problem 6.4(choose chapter or problem)
Suppose the worker in Exercise 6.3 pushes downward at an angle of below the horizontal. (a) What magnitude of force must the worker apply to move the crate at constant velocity? (b) How much work is done on the crate by this force when the crate is pushed a distance of 4.5 m? (c) How much work is done on the crate by friction during this displacement? (d) How much work is done on the crate by the normal force? By gravity? (e) What is the total work done on the crate?
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