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| Summary |
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 Force produces or prevents motion of a body. |
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Friction is a force that opposes motion. |
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Moment is defined as the turning effect of a force about a pivot or fulcrum. |
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The centre of gravity of a body is a point where the whole weight of the body seems to be concentrated. |
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There are three states of equilibrium: Stable, Unstable and Neutral. |
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Pressure is defined as force per unit area. |
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| Action and reaction of a force, Equilibrium, Force, Friction, Gram-force, Kilogram force, Moment, Pressure Squeeze, Stability, Stretch, Weight. |
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