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A person lifts a parcel from the ground and puts it on a truck. Mass of parcel is 20 kg and height of truck is 1.5 m. Now find the following.Parcel20 Kg1.5 m20 Kg1. The minimum force required to move the parcel up. |
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Answer» ANSWERM = 20 kgh = 1 mWork DONE against GRAVITATIONAL force,W = mgh = 20 x 9.8 x 1 = 196 J |
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