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March 30, 2015

Homework Help: Physics

Posted by Joseph on Monday, January 10, 2011 at 7:06am.

A man using a 70 kg garden roller on a level surface exerts a force 20 kgf at 45 degrees to the ground . Find the vertical force of the roller on the ground if he ;
a) pulls the roller.
b) pushes the roller.

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