More cards in this set

Card 6

Front

Humans can hear sounds in the range of...

Back

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Card 7

Front

Mechanical vibrations passed through the surrounding medium and a series of compressions is known as...

Back

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Card 8

Front

What two objects create a magnetic field?

Back

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Card 9

Front

Why is a metal described as 'magnetically soft'?

Back

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Card 10

Front

Two factors which can speed up a simple electirc motor are...

Back

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Card 11

Front

How can you work out the centre of mass?

Back

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Card 12

Front

What is the magnification formula?

Back

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