A large box whose mass is 20 kg rests on a frinctionless floor. A mover pushes on the box with a force of 250 N at an angle of 35 degrees below the horizontal. What is the acceleration of the box across the floor?
physics - Damon, Sunday, January 16, 2011 at 6:04am
250 cos 35 = horizontal force
a = F / m = (250 cos 35)/20