More cards in this set

Card 6

Front

In the equation for the size of the moment, what is F?

Back

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Card 7

Front

In the equation for the size of the moment, what is d?

Back

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Card 8

Front

Why is it easier to undo a wheel-nut by pushing on the end of a long spanner than a short one?

Back

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Card 9

Front

Why do we use a lever to make a job easier?

Back

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Card 10

Front

A door opens when you apply a force of 20N at right angles to it, 0.6m from the hinge. What is the moment of the force about the hinge?

Back

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Card 11

Front

What force would be needed to open the door if it were applied 0.3m from the hinge?

Back

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Card 12

Front

**IN EXAMS, MOMENT MAY BE APPLIED TO LOTS OF DIFFERENT SITUATIONS BUT THE IDEA IS ALWAYS THE SAME: FOR ANY PARTICULAR FORCE MAKE THE DISTANCE TO THE PIVOT BIGGER TO MAKE THE MOMENT BIGGER**

Back

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Card 13

Front

**THE MOMENT EQUATION USES THE TERM 'PERPENDICULAR DISTANCE'' WHICH MEANS THE SHORTEST DISTANCE FROM THE LINE THAT THE FORCE ACTS ALONG**

Back

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