posted by mandy .
a passenger at an airport pulls a rolling suitcase by its handle. If the force used is 10N and the handle makes an angle of 25 degrees to the horizontal, what is the work done by the pulling force while the passenger walks 200m?
Fh = hor = 10cos25 = 9.06N.
W = Fh * d = 9.06 * 200 = 1812.6.