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March 29, 2017

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A 39.5 N child is in a swing that is attached to ropes 2.01 m long.

What is the gravitational potential energy when the child is at the bottom of the circular arc?

I thought that you would multiply the force given by 2.01 m, but the answer I calculated was incorrect.

  • physics - ,

    GPE is relative to some point. Normally, that point would be the lowest point, so the kid is there, and GPE is zero.

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