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Friction Flashcards

(5 cards)

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1
Q

What does Friction always oppose?

A

Motion

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2
Q

How can we reduce Friction?

A

Lubrication and/or Streamlining

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3
Q

Is lighting matches useful or unhelpful Friction?

A

Useful Friction

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4
Q

What are the characteristics of a streamlined shape?

A

Rounded Front, Slowly Tapering Tail, Smooth shape with no projections

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5
Q

Is Air Resistance useful or unhelpful Friction?

A

Unhelpful

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