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Y7/Y8 Science > Friction > Flashcards

Friction Flashcards

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1
Q

What is friction?

A

The force between two surfaces sliding over one another, that causes them to heat up and wear

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2
Q

Friction always opposes…

A

Motion

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3
Q

Two characteristics of a streamlined shape

A

Rounded front, slowly tapering tail, smooth shape with no projections

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4
Q

Three examples of useful friction

A

Grip, brakes, lighting matches, keep trousers up, writing

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5
Q

Three examples of unwanted friction

A

Air resistance, water resistance, friction burns

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6
Q

One way to reduce friction

A

Streamlining, lubrication

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Y7/Y8 Science (6 decks)

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