a) forcedownward= mg-200*.707
= 70*9.8-200*.707=545N
b) force downward=mg+200*.707=827N
A man using a 70 kg garden roller on a level surface, exert a force of 200 newton at 45 angle to the ground. Find the vertical force of the roller on the ground (a) if he pulls
(b) if he pushes the roller
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