Asked by amy
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.
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.
Answers
Answered by
bobpursley
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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