Q. A person lifts a 950 N box by pushing it up an incline. If the person exerts a force of 350 N along the incline, what is the mechanical advantage of the incline?
Q. A uniform sphere with mass 60.0 is held with its center at the origin, and a second uniform sphere with mass 75.0 is held with its center at the point = 0, = 3.00. What is the magnitude of the net gravitational force due to these objects on a third uniform sphere with mass 0.520 placed at the point = 4.00, = 0?