Lesson 4.10f-g

4.10f-g Simple harmonic motion and damped oscillations Quiz: OCR Further Maths, Unit 1

20 questions

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Lesson 4.10f-g, Simple harmonic motion and damped oscillations: 20 multiple choice questions for the OCR Further Maths (H245), Unit 1: Pure Core (Y540, Y541), written with Revision Ninja.

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The 20 questions

  1. What second-order differential equation defines simple harmonic motion with parameter ω?

    • d²x/dt² = -ωx
    • d²x/dt² = ω²x
    • d²x/dt² = -ω²x
    • dx/dt = -ω²x
  2. What is the period T of a system undergoing simple harmonic motion with parameter ω?

    • 2πω
    • π/ω
    • 2π/ω
    • ω/2π
  3. What type of damping occurs when the auxiliary equation has two distinct real roots?

    • Overdamping
    • Underdamping
    • Critical damping
    • No damping
  4. What condition on discriminant b² - 4ac gives light damping in a damped oscillator?

    • b² - 4ac ≥ 0
    • b² - 4ac > 0
    • b² - 4ac < 0
    • b² - 4ac = 0
  5. Which damping regime allows a system to return to equilibrium in the shortest time without oscillating?

    • Critical damping
    • Underdamping
    • Overdamping
    • Heavy damping
  6. What is the expression for maximum speed in simple harmonic motion with amplitude A?

    • ωA
    • 0.5ωA
    • ωA²
    • ω²A
  7. What is the expression for maximum acceleration magnitude in simple harmonic motion with amplitude A?

    • ω²A
    • ωA²
    • ωA
    • 2ω²A
  8. What is the period of SHM represented by the differential equation d²x/dt² + 16x = 0?

    • 4π
    • π/4
    • π/2
    • 2π
  9. If d²x/dt² = -9x and maximum displacement is 3, what is the maximum speed?

    • 3
    • 81
    • 27
    • 9
  10. A system has equation d²x/dt² + 6 dx/dt + 9x = 0. What damping type is this?

    • Overdamping
    • Forced damping
    • Critical damping
    • Underdamping
  11. A system has equation d²x/dt² + 4 dx/dt + 13x = 0. What damping type is this?

    • Critical damping
    • Light damping
    • Zero damping
    • Heavy damping
  12. What is the frequency in hertz of simple harmonic motion with equation d²x/dt² + 100π²x = 0?

    • 100
    • 10
    • 50
    • 5
  13. In SHM with ω = 2 and amplitude 5, what is the speed when displacement x = 3?

    • 8
    • 10
    • 4
    • 6
  14. For d²x/dt² + 5 dx/dt + 4x = 0, what is the general solution form?

    • Ae^(-t) + Bte^(-4t)
    • (A + Bt)e^(-2t)
    • e^(-t)(A cos 4t + B sin 4t)
    • Ae^(-t) + Be^(-4t)
  15. What is the maximum acceleration of an object in SHM with x = 4 cos(3t)?

    • 36
    • 12
    • 9
    • 4
  16. An oscillator d²x/dt² + k dx/dt + 25x = 0 is critically damped. What is positive k?

    • 50
    • 20
    • 10
    • 5
  17. In SHM, maximum speed is 12 and maximum displacement is 4. What is parameter ω?

    • 12
    • 4
    • 3
    • 48
  18. For what positive range of k does d²x/dt² + k dx/dt + 16x = 0 exhibit oscillations?

    • k < 16
    • k > 16
    • k < 8
    • k > 8
  19. If x = e^(-2t) cos(3t) models damped motion, what is the pseudo-period of oscillation?

    • 2π/3
    • π/3
    • 3π/2
    • 2π/2
  20. What equation relates speed v, displacement x, amplitude A, and parameter ω in SHM?

    • v² = ω²(x² - A²)
    • v² = ω²(A² - x²)
    • v = ω(A - x)
    • v² = ω²(A² + x²)

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