A man weighing 180 lbf is pushing a cart that weighs 100 lbf with its contents up a ramp that is inclined at an angle of 10° from the horizontal. Determine the work needed to move along this ramp a distance of 100 ft considering (a) the man and (b) the cart and its contents as the system. Express your answers in both lbf·ft and Btu.

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Q: As a woman carries her suitcase up a flight of stairs, she does work against gravity. If the mass of…

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Q: A porter pulls a 23 kg luggage along a level road for 3.5 meters by exerting a force of 18 N at an…

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Q: A total force of 500 N is applied to pull a box on a rough surface along a distance of 60 m. If…

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