# Physics Concepts

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1. Work, Energy, and Momentum: 12
Work and energy are scalar quantities
2. Work, Energy, and Momentum: 13
Work is equal to the product of the displacement and the component of the force in the direction of the displacement.
3. Work, Energy, and Momentum: 14
For and object traveling in circular motion, the centripetal force never does work.
4. Work, Energy, and Momentum: 15
Mechanical energy is the sum of all kinetic and potential energies.
5. Work, Energy, and Momentum: 16
Work-Energy Theorem: the net work is equal to the change in kinetic energy.
6. Work, Energy, and Momentum: 17
Conservation of mechanical energy under the action of a dissipative force includes the work due to frictional forces (non-conservation forces)
7. Work, Energy, and Momentum: 18
Power is the time rate of change of work or energy, but it can also be calculated using forces x speed.
 Author: april1234 ID: 95295 Card Set: Physics Concepts Updated: 2011-07-26 18:23:58 Tags: Work Energy Momentum Folders: Description: Some Physics Concepts Show Answers: