Matching Pairs Work and EnergyOnline version vocabulary exercise for work and energy by Monica Watkins 1 Power 2 Potential energy 3 Law of conservation of energy 4 Kinetic energy 5 Mechanical advantage 6 Gravitational potential energy 7 Simple machine 8 Efficiency 9 Work 10 Compound machine 11 Energy 12 Mechanical energy the ability to cause change is the ratio of output work to input work a combination of two or more simple machines the sum of the kinetic energy and potential energy of the objects in a system the ratio of the output force to input force energy that is due to the gravitational forces between objects force applied through a distance states that energy cannot be created or destroyed energy due to motion a machine that does work with only one movement of the machine the rate at which energy is converted energy that is stored due to the interactions between objects
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