A cart loaded with bricks has a total mass of 22.3 kg and is pulled at constant speed by
a rope. The rope is inclined at 27.3◦ degrees above the horizontal and the cart moves 9.3 m on a horizontal surface. The coefficient of kinetic friction between ground and cart is 0.442. The acceleration of gravity is 9.8 m/s^2. How much work is done on the cart by the rope?
Answer in units of J.
2 answers