Chapter 7: Work and Energy ( Ewen et al. 2005 ). 7.4 Conservation of Mechanical Energy. Objectives: Related kinetic and potential energy to the law of conservation of mechanical energy. Use conservation of energy to solve problems. Law of Conservation of Mechanical Energy.
(Ewen et al. 2005)
Work is done to take the roller coaster car from the beginning of the ride to the top of the structure to give it potential energy. After it leaves the peak of the ride, the sum of its potential energy and its kinetic energy is equal at each point of the ride.