A student's full backpack weight 10N. she lifts it from the floor to a shelf 1.5 m high how much work is done on the pack full of books?
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A student's full backpack weight 10N. she lifts it from the floor to a shelf 1.5 m high how much work is done on the pack full of books?
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Answer:
W=fd
w=10N × 1.5 m
w = 15N•m