Conservation of Mechanical Energy Review

As the man falls, he is converting ___ energy.

• gravitational to chemical

• thermal to potential

• potential to kinetic

• chemical to mechanical

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When a bow is released, it has ____ energy.

• Kinetic Energy

• Potential Energy

• Light Energy

• Sound Energy

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Where in the swing does the girl have the greatest kinetic energy?

• Highest point in the swing

• Mid point of the swing

• Lowest point in the swing

• When the chain breaks

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When a bow is stretched, it has ____ energy.

• Magnetic Energy

• Kinetic Energy

• Static Energy

• Potential Energy

Is this possible? Why or why not?

• Yes, the coaster gains energy going down the hill

• Yes, the coaster gains energy from air friction

• No, the coaster losses energy to friction on the tracks

• No, the coaster will jump the tracks

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Where does the rollercoaster have the greatest gravitational potential energy?

• 1

• 2

• 3

• 4

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Where does the rollercoaster have the greatest kinetic energy?

• 1

• 2

• 3

• 4

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At what point in the man's free fall is his total energy the greatest?

• at the top.

• at the bottom.

• in the middle.

• no change throughout.

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__________ is the energy an object has because of its position or height. Stored energy.

• Potential Energy

• Nuclear Energy

• Kinetic Energy

• Radiant Energy

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Which of the following best describes the principle of conservation of mechanical energy?

• Energy cannot be created or destroyed, only transformed from one form to another.

• The total mechanical energy of an isolated system remains constant if only conservative forces act on it.

• Mechanical energy is always conserved in any process.

• Energy is lost in the form of heat in mechanical processes.