GK
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A boy lifts a box of toys that weighs 12 N. The box is lifted 0.006 m. How much work does the student do?
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0.072 J
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0.073 J
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0.074 J
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0.075
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Explanation:
Detailed explanation-1: -Detailed Solution The correct answer is 8000 J. Work is being done against gravity by lifting an object from a vertical height.
Detailed explanation-2: -(B). The energy transfer when one box is lifted will be equal to the work done to lift one box. So, the energy transfer, when one box is lifted will be 150 J. Thus, he is working with the power of 10 W.
There is 1 question to complete.