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A knife is designed to cut. | |||
| Some things will produce a high pressure by applying the force over a small area. |
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A pair of scissors is designed to cut. | ||
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Needles and pins are designed to pierce. | |||
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Stiletto heels apply the force over a small area and can cause damage to floors. |
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Skis spread the force over a large area of snow, so the skiier does not sink. | |||
| Some things will reduce the pressure by applying the force over a large area. |
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The tracks of the sledge spread the force over a large area, so the sledge does not sink. | ||
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The caterpillar tracks reduce the pressure of the heavy vehicle by applying the force over a large area. |
