Newton's Second Law (Translational Dynamics)

AP Physics 1· difficulty 3/5

A block at rest on a 2525^\circ incline has μs=0.50\mu_s = 0.50. The static friction force on the block points

  • A

    There is no friction.

  • B

    Down the slope.

  • C

    Up the slope.

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  • D

    Horizontal.

Explanation

Gravity component pulls the block down the slope; static friction opposes this tendency, pointing up the slope.

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