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Kinetic Friction

If a block is...

Question

If a block is sliding at a speed of ${2 ms}^{- 1}$ on ground, friction will act on it.

A

static

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B

kinetic

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C

rolling

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Solution

The correct option is B kinetic
The block is sliding with a speed of ${2 ms}^{- 1}$ on ground. This means that there is relative motion between the two surfaces. Hence, kinetic or sliding friction will act between the block and ground.

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