Calculate how much work is done to lift a box vertically 10 meters.

Explain what makes a passenger in a turning car slide toward the door. critical thinking

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.