Chapter 5 Work, Energy, Power, and Simple …

I01. How much work is done when a book is _____ at constant speed for a distance of m?a.) lifted verticallyb.) pushed across a floor with a frictional force of Nc.) pushed across a floor with a coefficient of friction of A boy pulls with a force on the handle of a kg wagon while the handle makes an angle of is negligible, and the boy pulls the wagon around the block a total distance of m, how much work hasthe boy done?03. How much work did a horse do that pulled a 225-kg wagon km without acceleration with an effectivecoefficient of friction of A car does x 104J of work in traveling km at a constant speed. What was the average force of friction(from all sources) acting on the car?05. How far must a 212-kg pile driver fall if it is capable of doing 12,500 J of work ?06. What minimum work is done in pushing a crate up a with negligible friction that is mlong? See diagram to the right and A piano slides down an long ramp that makes and is kept from accelerating by a man pushing upalong the incline (see diagram to the right).

I 01. A box slides down a frictionless incline that is 15.0 m high. If it starts from rest at the top of the incline, what will Chapter 5 Work, Energy, Power, and Simple Machines

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