Lesson 4.5.6.2

4.5.6.2 Forces, accelerations and Newton's Laws of motion Quiz: AQA Physics, Unit 5

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.5.6.2, Forces, accelerations and Newton's Laws of motion: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 5: Forces, written with Revision Ninja.

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The 20 questions

  1. According to Newton's First Law, what happens with a zero resultant force?

    • Rapid deceleration
    • Circular motion
    • Constant acceleration
    • Constant velocity

  2. When a vehicle travels at a steady speed, which forces are balanced?

    • Thrust and weight
    • Lift and drag
    • Gravity and friction
    • Driving and resistive

  3. What must act on an object for its velocity to change?

    • Resultant force
    • Zero drag
    • Balanced force
    • Constant speed

  4. (HT only) The tendency of an object to continue in its state of rest or uniform motion is called:

    • Friction
    • Acceleration
    • Inertia
    • Momentum

  5. What is the standard SI unit for acceleration in Newton's second law?

    • joules per second
    • metres per second
    • metres per second squared
    • newtons per kilogram

  6. A 1200 kg car accelerates at 2 m/s². What is the resultant force on it?

    • 1202 N
    • 2.4 N
    • 2400 N
    • 600 N

  7. A 0.5 kg ball has a resultant force of 10 N on it. What is its acceleration?

    • 5 m/s²
    • 200 m/s²
    • 0.05 m/s²
    • 20 m/s²

  8. For a constant mass, if the resultant force doubles, the acceleration:

    • Doubles
    • Quadruples
    • Halves
    • Stays the same

  9. For a constant resultant force, if the mass doubles, the acceleration:

    • Quadruples
    • Stays the same
    • Halves
    • Doubles

  10. What ratio defines inertial mass according to Newton's Second Law?

    • Force over acceleration
    • Mass over force
    • Acceleration over force
    • Force over mass

  11. What is inertial mass a measure of?

    • Volume of matter
    • Difficulty changing velocity
    • Gravitational pull
    • Total weight

  12. What does the proportionality symbol, ∝, mean in physics equations?

    • Is greater than
    • Is equal to
    • Is proportional to
    • Is inversely linked

  13. Near the Earth's surface, a freely falling object has an acceleration of about:

    • 9.8 m/s²
    • 9.8 N
    • 0.98 m/s²
    • 98 m/s²

  14. According to Newton's Third Law, interaction forces are what?

    • Equal and parallel
    • Equal and opposite
    • Unequal and opposite
    • Zero and balanced

  15. What quantity in Newton's second law is measured in kilograms?

    • Velocity
    • Acceleration
    • Force
    • Mass

  16. Which law explains how rocket exhaust gases push the rocket upward?

    • Newton's First Law
    • Newton's Second Law
    • Newton's Third Law
    • Law of conservation

  17. A 1000 kg car has a resultant force of 3000 N. What is its acceleration?

    • 3 m/s²
    • 0.33 m/s²
    • 1003 m/s²
    • 3000 m/s²

  18. A 2 kg trolley is pushed forward with 15 N and resisted by 5 N backward. What is its acceleration?

    • 7.5 m/s² forward
    • 0.5 m/s² backward
    • 20 m/s² backward
    • 5 m/s² forward

  19. A 4 kg trolley accelerates at 0.5 m/s² due to a constant resultant force. What is the force?

    • 0.125 N
    • 4.5 N
    • 8 N
    • 2 N

  20. In Newton's Second Law, acceleration is proportional to resultant force and what else?

    • Inversely proportional to velocity
    • Directly proportional to mass
    • Directly proportional to time
    • Inversely proportional to mass

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