Evaluate how much work did her force do on the car

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(a) In 1975 the roof of Montreal's Velodrome, with a weight of360 kN, was lifted by 10 cm so that it could be cetered. How muchwork was done on the roof by the forces making the lift?

(b) In1960 a Tampa, Florida, mother reportedly raised one end of a carthat had fallen onto her son when jack failed. If her panic lifteffectively raised 4000 N (about 1/4 of the car's weight) by 5.0cm, how much work did her force do on the car?

Reference no: EM13563716

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