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The scalar product of the distance an object is
moved and the component of the applied force in the direction of movement. |
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Work in – friction loss = Useful Work |
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Energy due to an objects position or
composition. |
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Energy cannot be created or destroyed. |
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Energy
may be converted to different forms or transferred to another object but
the total energy remains constant. |
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The rate of doing work or using energy.
Units of power |
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Joules / second = watts (1 J/s = 1 W) |
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ft.lb / second (550 ft.lb/s = 1 hp) |
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Notes