Asked by Faraja john at nyasubi secondary
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
(b) if he pushes the roller
Answers
Answered by
bobpursley
a) forcedownward= mg-200*.707
= 70*9.8-200*.707=545N
b) force downward=mg+200*.707=827N
= 70*9.8-200*.707=545N
b) force downward=mg+200*.707=827N
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