Moments of a force

Moments of a force Quiz

Spec 6.1 · Edexcel International A Level Maths: Quiz

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5 questions, one answer each

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  1. 1. A force of 8 N acts perpendicular to a rod at 1.5 m from a pivot. Its moment is

    • A. 5.35.3 N m
    • B. 6.56.5 N m
    • C. 1212 N m
    • D. 9.59.5 N m

  2. 2. A uniform rod of mass 4 kg and length 2 m is pivoted at one end. The moment of its weight about the pivot is

    • A. 39.239.2 N m
    • B. 78.478.4 N m
    • C. 9.89.8 N m
    • D. 19.619.6 N m

  3. 3. Moments about a point are clockwise 20 N m and anticlockwise 4x4x N m, in equilibrium. Then x=x=

    • A. 44
    • B. 8080
    • C. 1616
    • D. 55

  4. 4. A uniform beam rests on two supports. A load moves towards one support. The reaction at that support

    • A. decreases
    • B. stays the same
    • C. becomes zero
    • D. increases

  5. 5. A plank is about to tilt about a support when

    • A. both reactions are equal
    • B. the reaction at the other support is zero
    • C. the weight is zero
    • D. the plank is light

Quiz