Question: (a) How much work is done in lifting a 1.2-kg book off the floor to put it on a desk that is 0.7 m high?

(a) How much work is done in lifting a 1.2-kg book off the floor to put it on a desk that is 0.7 m high? Use the fact that the acceleration due to gravity is g = 9.8 m/s².

(b) How much work is done in lifting a 20-lb weight 6 ft off the ground?

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