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3.3.6 Friction (A-level only)

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Question 16

In this question, use g=9.8 m s−2g = 9.8 \text{ m s}^{-2}g=9.8 m s−2.

A small block, PPP, is pulled across a rough horizontal plane.

A horizontal pulling force of magnitude TTT newtons acts on PPP.

PPP moves with a constant acceleration of 1.2 m s−21.2 \text{ m s}^{-2}1.2 m s−2.

PPP has a weight of 1.47 N1.47 \text{ N}1.47 N.

The only resistance force acting on PPP is due to friction.

The coefficient of friction between PPP and the plane is 0.350.350.35.

Find TTT.

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3.3.6 Friction (A-level only) Questions

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