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May 27, 2015

Homework Help: physics

Posted by brighton on Wednesday, November 9, 2011 at 7:26am.

A gymnast weighing 72 kg hangs from a cross bar. His coach pushes him
forward with a force of 38 N and backward with a force of 20 N. The
upward reaction force on the gymnast is 750N. Calculate:
i). The resultant (net) force on the gymnast and
ii). The angle of the resultant force with the hands of the gymnast on
the cross bar. (15 marks)
(Show all the steps. W (Newton) = mg; where g is approximately 10 m/ S2

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