A 1.7 kg block is moved at constant speed over a surface for which the coefficient of kinetic friction is 0.27. The displacement is 2 m. It is pushed by a force directed at 25 degrees below the horizontal.
Find the work done on the block by: the force. How do you find the force?
3 answers
I just answered this. See earlier post
it doesnt work can u help me?
F cos 25 = .27 (mg + F sin 25)