Agirl pushes a box that has a weight of 450 n up an incline. if the girl exerts a force of 150 n along the incline, what is the mechanical advantage of the incline?

Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n