Forces in action and matter

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Last updated 5:28 PM on 5/30/26
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10 Terms

1
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How do you calculate the moment?

Moment (Nm) = force (N) x distance from pivot (m)

2
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How can you make the moment bigger?

By extending the lever’s length.

3
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Air resistance

Slows you down in the air.

4
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Water resistance

Slows you down in water

5
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Thrust

Pushes forward.

6
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Upthrust

Keeps you afloat on water.

7
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Gravitational force

Pulls you to the centre of the Earth.

8
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How can you make an object balance?

By making the moment on both sides equal.

9
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What is the equation for work done?

Work done = distance x force

10
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What are 6 examples of simple machines?

Lever, ramp, pulley, wheel, screw, wedge.