Q. A mechanical lift raises a 325 kg automobile to a height of 2.00 meters for servicing. How much work was done by the lift on the automobile? Express your answer in metric units to the nearest whole unit.
Q. A 1,400 kg car is moving at 12 m/s when the driver stops the car. What increase in the thermal energy of the car and its surroundings results from applying the brakes to bring the car to a stop? Ignore other sources of thermal energy.