Posted by Anonymous on Friday, November 5, 2010 at 10:26am.
A person pushes a 11.0 kg lawn mower at constant speed with a force of 82.0 N directed along the handle, which is at an angle of θ = 45.0° to the horizontal.Calculate the normal force exerted vertically upward on the mower by the ground.

physics  bobpursley, Friday, November 5, 2010 at 11:22am
well, the normal force has to overcome the weight of the mower, mg, plus the downward force of pushing, which is 82Cos45.
add them
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