Question

at a certain height above the surface of earth the gravitational accleration is 4 % of its value at the surface of earth . determine the height above the earth surface
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Answer 1

Suppose i am hanging on the gym bar. The force on the bar is only my weight other than its own weight. Now if I try to pull up, as people do in gym, will the force on the bar increases? Since i am pulling up my weight, will the weight or force on the bar doubles?Suppose i am hanging on the gym bar. The force on the bar is only my weight other than its own weight. Now if I try to pull up, as people do in gym, will the force on the bar increases? Since i am pulling up my weight, will the weight or force on the bar doubles?