| ppefmh | Ed | Garstin | 2/10 | A stone is dropped from a cliff top. |  |
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gravitational potential
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kinetic

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mechanical work
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chemical
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thermal
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electrical work
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gravitational potential
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kinetic
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mechanical work
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chemical
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thermal

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electrical work
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gravitational potential
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kinetic
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mechanical work

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chemical
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thermal
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electrical work
| Hercules pushes a boulder steadily to the top of a hill. |  |
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gravitational potential

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kinetic
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mechanical work
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chemical
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thermal
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electrical work
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gravitational potential

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kinetic

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mechanical work
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chemical
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thermal

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electrical work

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gravitational potential
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kinetic
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mechanical work

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chemical
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thermal
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electrical work
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gravitational potential
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kinetic
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mechanical work

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chemical
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thermal
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electrical work
| A power drill, plugged into a mains socket, gets hot during use. |  |
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gravitational potential

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kinetic
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mechanical work
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chemical
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thermal
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electrical work
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gravitational potential

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kinetic

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mechanical work

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chemical
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thermal

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electrical work
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gravitational potential
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kinetic
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mechanical work

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chemical
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thermal
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electrical work
| 20% |