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10 Cards in this Set
- Front
- Back
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what is the internal store of an object? |
the sum of its kinetic energy and the chemical energy stored in chemical bonds |
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what is the equation for kinetic energy? |
0.5 × mass × velocity squared |
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what is the equation for gravitational potential energy stored? |
mass × gravitational field strength × change in height |
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what is the equation for elastic potential energy? |
0.5 × spring constant × extension squared |
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what is the equation for work done? |
force × distance |
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what is the change in energy of an object equal to? |
work done |
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what is the equation for electrical work done? |
potential difference × current × time |
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what is the equation for the efficiency of energy transfer? |
(useful power output÷total power output)×100 |
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what is the equation for power involving work done? |
work done ÷ time |
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what is the equation for power involving energy transfer? |
energy transfer ÷ time |
