Wednesday
April 23, 2014

Homework Help: Physics

Posted by Leah on Monday, November 28, 2011 at 10:30pm.

A person pushes a 11.0 kg lawn mower at constant speed with a force of 76.0 N directed along the handle, which is at an angle of = 41.0 to the horizontal. Calculate the normal force exerted vertically upward on the mower by the ground. Calculate the force the person must exert on the lawn mower to accelerate it from rest to 1.3 m/s in 2.0 seconds (assuming the same retarding force).

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