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Moments

The turning effect of a force.

  1. Moments​

  2. Torque of a Couple

Anchor 1

1. Moments

Apply a force at a distance and you have a turning effect which we call a moment. I show you how to calculate the moment when a force acts at an angle. Finally, for an object in rotational equilibrium the sum of the anti-clockwise and clockwise moments is zero which is the principle of moments.

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Anchor 2

2. Torque of a Couple

If you have two equally sized forces that acts towards each other but are offset then you have a resulting moment but no resulting force. Because there are two forces we call this the torque of a couple.

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