1.An object in equilibrium can be an object (pick the best answer) at rest moving with constant speed ,in a straight line having no acceleration (no change in motion) ,all of these. 2.Rita hangs from a pair of gym rings and the upward support forces of the rings will always
(read carefully)
each be half her weight
each equal her weight
add up to equal her weight
no way to know from the given information
3.A donkey pulls a cart East with a force of 1200. N and a man helps by pushing the back of the cart with a force of 400.N East. What is their combined forces on the cart? Do not consider friction for this question.
400.N East
800.N East
800.N West
1600.N East