A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?
Physics - drwls, Monday, October 17, 2011 at 1:32pm
(horizontal force component) x (speed)
= (102 cos 37)*6.4 Watts