© Dr. Steve Rapp
Ricky is mowing the lawn with a push-type
He holds the handle of the
mower at an angle of 60
and exerts a
force of 255 N on the handle as he mows.
How much work does Ricky do if he
mows a for a distance of 30 m?
W = Fd cos 0 = 255 N (30 m) (cos 60) =
3.83 x 10