Labor unions developed mostly in response to a) low wages and poor working conditions.
b)increasing unemployment.
c) government ownership of businesses.
d)racial and gender discrimination.​

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.