In a gravity escape system (GES) , an enclosed lifeboat on a large ship is deployed by letting it slide down a ramp and then continuing in free fall to the water below. Suppose a 4970kg lifeboat slides a distance of 5.0m on a ramp, dropping through a vertical height of 2.5m. How much work does gravity do on the boat?
Asked by Archana Venkatesan
| 26th Nov, 2013,
08:11: PM
Expert Answer:
The angle θ is given as
The work done is given as a product of force and displacement. Thus, we have the work done by gravity as
Answered by Romal Bhansali
| 27th Nov, 2013,
11:49: AM
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