Question

Is work done when you hold a heavy object for a long time? Why or why not?

Answer 1

Answer:The physics class should also cover force diagrams. That heavy object has a downward force from gravity. To hold it above the ground requires an equal force upward. If you're holding it, this upward force is exerted by your muscles and skeleton. Your muscles require your body's energy to maintain that force. So while you may not be doing work by how physics defines work, you're still using energy to apply a force.

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Answer 2

Answer:

why not

Explanation:

because there is no movement in body thus we say that there is no work done