In the classic horse and cart problem, a horse is attached to a cart that can roll along on a set of wheels. which of the following statement is true? also explain the reason of your selected choice as well. a) the horse pulls on the cart with a force, and the cart pulls, back on the horse with an equal force. b) the horse pulls on the cart with a force greater than the force that the cart pulls back on the horse. c) the horse pulls the cart forward, because of a time delay between the action and reaction forces. d) the horse pulls the cart forward, but only if the horse has a mass greater than the mass of the cart. e) the horse pulls the cart forward because the force of friction forward is greater than the force of the wagon backward.