Newton's laws of motion

Newton's laws of motion Quiz

Spec 4.1 · Edexcel International A Level Maths: Quiz

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5 questions, one answer each

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  1. 1. A 55 kg particle on a smooth horizontal surface is acted on by horizontal forces of 2020 N and 88 N in opposite directions. Find its acceleration.

    • A. 2.42.4 m s⁻²
    • B. 5.65.6 m s⁻²
    • C. 4.04.0 m s⁻²
    • D. 1.61.6 m s⁻²

  2. 2. Find the weight of a 33 kg mass (take g=9.8g=9.8).

    • A. 33 N
    • B. 0.310.31 N
    • C. 29.429.4 N
    • D. 2.92.9 N

  3. 3. A 33 kg particle is acted on by a single force (6i−3j)(6\mathbf{i}-3\mathbf{j}) N. Find its acceleration.

    • A. (2i+j)(2\mathbf{i}+\mathbf{j}) m s⁻²
    • B. (2i−j)(2\mathbf{i}-\mathbf{j}) m s⁻²
    • C. (18i−9j)(18\mathbf{i}-9\mathbf{j}) m s⁻²
    • D. (6i−3j)(6\mathbf{i}-3\mathbf{j}) m s⁻²

  4. 4. A lift of mass 500500 kg accelerates downwards at 0.40.4 m s⁻². Find the tension in its cable (take g=9.8g=9.8).

    • A. 51005100 N
    • B. 49004900 N
    • C. 48004800 N
    • D. 47004700 N

  5. 5. A 1010 kg box on a smooth horizontal floor is pulled by a 5050 N force at 60∘60^\circ above the horizontal. Find its acceleration.

    • A. 55 m s⁻²
    • B. 4.334.33 m s⁻²
    • C. 2.52.5 m s⁻²
    • D. 0.50.5 m s⁻²

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