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August 4, 2015

Homework Help: physics

Posted by maria on Sunday, January 14, 2007 at 2:22pm.

In which of these cases is a youngster doing work in the school gymnasium?

1. climbing up a rope
2. hanging motionless from a chinning bar.
3. lifting a set of weights from the floor to overhead


WHICH ONE & WHY? A BRIEF EXPLANATION WOULD BE NICE. thank you all =]

I will be happy to critique your thinking. Hint: Number two involves no work.

In which of these cases is a youngster doing work in the school gymnasium?

climbing up a rope

lifting a set of weights from the floor to overhead


WHICH ONE & WHY? CANT FiND THE ANSWER ANYWHERE.. NEED HElP FOR A TEST.. PlEASE EXPlAiN? TEST iS TOMORROW!

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