Lesson 4.5.3

4.5.3 Forces and elasticity Quiz: AQA Physics, Unit 5

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.5.3, Forces and elasticity: 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. Which of the following involves a compressing force?

    • Pulling a rope
    • Lifting a box
    • Hanging a weight
    • Pressing a sponge

  2. Why must more than one force be applied to change the shape of a stationary object?

    • To reduce friction
    • To prevent movement
    • To create gravity
    • To increase mass

  3. What does elastic deformation mean for a stretched object?

    • Returns to original shape
    • Melts under tension
    • Breaks immediately
    • Stays permanently stretched

  4. The extension of a spring is directly proportional to the force applied provided it stays below what?

    • Terminal velocity
    • Limit of proportionality
    • Magnetic limit
    • Melting point

  5. Which equation describes the relationship between force and extension for a spring?

    • F = k × e squared
    • F = k × e
    • F = k ÷ e
    • F = k + e

  6. The spring constant k is measured in:

    • Joules per metre, J/m
    • Metres per newton, m/N
    • Newtons per metre, N/m
    • Newtons, N

  7. A spring with a spring constant of 40 N/m is stretched by 0.25 m. What force is needed?

    • 160 N
    • 0.006 N
    • 1.6 N
    • 10 N

  8. A force of 12 N stretches a spring by 0.06 m. What is the spring constant?

    • 2 N/m
    • 0.005 N/m
    • 72 N/m
    • 200 N/m

  9. Which equation calculates the elastic potential energy stored in a stretched spring?

    • 0.5 × k × e²
    • F × s
    • m × g × h
    • 0.5 × m × v²

  10. A spring with k = 100 N/m is stretched by 0.10 m. What energy is stored?

    • 0.5 J
    • 0.05 J
    • 10 J
    • 5 J

  11. A spring with k = 50 N/m is compressed by 0.20 m. What elastic potential energy is stored?

    • 1.0 J
    • 10 J
    • 2.0 J
    • 0.2 J

  12. Within the limit of proportionality, the work done on a spring is equal to what?

    • Kinetic energy
    • Chemical energy
    • Thermal energy
    • Elastic potential energy

  13. What graph shape shows a linear force-extension relationship for a spring?

    • Curved exponential line
    • Straight line through origin
    • Horizontal flat line
    • S-shaped wave

  14. What does a non-linear force-extension graph indicate about a stretched spring?

    • Maximum extension
    • Elastic deformation
    • Non-proportional extension
    • Constant stiffness

  15. What does the required practical investigating springs examine?

    • Voltage and current
    • Force and extension
    • Force and velocity
    • Mass and acceleration

  16. A spring extends by 0.03 m when a force of 3 N acts on it. What is the spring constant?

    • 90 N/m
    • 0.01 N/m
    • 3.03 N/m
    • 100 N/m

  17. What does the gradient of a linear force-extension graph represent?

    • Limit of proportionality
    • Elastic potential energy
    • Spring constant
    • Work done

  18. A spring with k = 80 N/m is stretched by 0.05 m. What force is needed, and what energy is stored?

    • Force 4 N; energy 0.1 J
    • Force 0.1 N; energy 4 J
    • Force 1600 N; energy 0.5 J
    • Force 4 N; energy 0.2 J

  19. What is stored in a spring when it is stretched elastically?

    • Chemical energy
    • Elastic potential energy
    • Kinetic energy
    • Thermal energy

  20. A stretched spring is left with a permanent extension after the force is removed. This is an example of:

    • Elastic deformation
    • Inelastic deformation
    • A non-contact force
    • Compression

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