Deduce the vertical and horizontal component with respect to the velocity u and angle​

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.

Which is an advantage of subdividing science into different areas?

Suppose you hit your hand against the edge of table. using newton’s third law of motion why does my hand hurt? explain