imagine a horse pulling a cart. what would happen to the speed of the cart if several bags of cement were added to the cart?

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.

Carmen is load furniture and boxes onto a moving truck. she picks up boxes of her things, places them on a cart, and pushes the cart to the moving van. which term best describes the type of force carmen uses? a. contact b. friction c. gravity d. noncontact