Free Simple Harmonic Motion MCQs with Answers
466 Simple Harmonic Motion MCQs from Physics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Simple harmonic motion is oscillation in which acceleration is directly proportional to displacement and directed toward the equilibrium position. Work includes displacement, velocity, acceleration, phase, period, frequency, amplitude and energy, with applications to springs and simple pendulums. The restoring force and the conditions for SHM distinguish it from general periodic motion.
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466 questions · page 20 of 24
- A. 0.2 kg m2
- B. 0.4 kg m2
- C. 0.6 kg m2
- D. 0.8 kg m2
Explanation: To calculate the moment of inertia (I) of a solid cylinder rotating about its axis, we use the formula: I = (1/2) × m × r2 Where: m = mass…
Correct answer: 0.4 kg m2- A. N > W
- B. N < W
- C. N = W
- D. N = 0
Explanation: Correct answer is D. It is the accurate description for the condition of weightlessness.
Correct answer: N = 0- A. 2:3
- B. 1:2
- C. 2:7
- D. 2:9
Explanation: Correct answer is B. The correct ratio of rotational kinetic energy (Krot) to translational kinetic energy (Ktrans) for a sphere rolling…
Correct answer: 1:2- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: The formula for the frequency of artificial gravity is f = 1/2π√(g/R), where f represents frequency, g represents the gravitational…
Correct answer: Option D- A. 0.1 N
- B. 1 N
- C. 10 N
- D. 100N
Explanation: The centripetal force acting on the particle is 1 N. The formula for centripetal force is F = mv2/r, where F represents the centripetal…
Correct answer: 100N- A. K.E
- B. Angular momentum
- C. Rotational K.E
- D. Linear momentum
Explanation: Angular momentum is conserved when the torque acting on a system is zero.
Correct answer: Angular momentum- A. 3.5 kms-1
- B. 7 kms-1
- C. 72√kms-1
- D. 14 kms-1
Explanation: The radius of the orbit is 4 times the radius of the earth(R), the orbital speed (v′) is given by: v′ = √GMe/4R = 1/√4 × √GMe/R = 0.5×7 =…
Correct answer: 3.5 kms-1- A. Decreasing
- B. Increasing
- C. Remain same
- D. Zero
Explanation: Therefore, the correct answer is: c) Remain same: This option is correct.
Correct answer: Remain same- A. 8 N
- B. 5 N
- C. 2 N
- D. 1.5 N
Explanation: The formula for the apparent weight of an object is W' = W - ma Where W' represents the apparent weight, W represents the actual weight of…
Correct answer: 8 N- A. 2π
- B. 4π
- C. π/6
- D. π/12
Explanation: The formula for angular speed is: Angular speed = (Total angle covered) / (Time taken) d) π/12: This option is correct.
Correct answer: π/12- A. MR2
- B. 1/2 MR2
- C. 2/5 MR2
- D. 1/2 M2R
Explanation: Please note that the correct option for the moment of inertia of a sphere is c) (2/5)MR2.
Correct answer: 2/5 MR2- A. Linear momentum is constant
- B. Velocity is constant
- C. It moves in a circular path
- D. Particle moves in a straight line
Explanation: Please note that the correct option for the motion of the particle is c) It moves in a circular path.The force acting perpendicular to the…
Correct answer: It moves in a circular path- A. Constant acceleration
- B. Variable acceleration
- C. Constant retardation
- D. Variable speed and constant velocity
Explanation: In uniform circular motion, the acceleration is variable. The centripetal acceleration remains constant in magnitude but changes direction…
Correct answer: Variable acceleration- A. There is no gravity in space
- B. There is no floor pushing upwards on them
- C. Satellite is freely falling
- D. There is no air in space
Explanation: Astronauts aboard the International Space Station (ISS) or other spacecraft are in a state of constant free fall around the Earth.
Correct answer: Satellite is freely falling- A. Velocity
- B. K.E
- C. Angular momentum
- D. Potential Energy
Explanation: The angular momentum of a satellite in orbit is constant. Angular momentum is a conserved quantity, and for an isolated system like a…
Correct answer: Angular momentum- A. Decrease
- B. Remain changed
- C. Increase
- D. Become zero
Explanation: Please note that the correct option for the effect on 'g' at the equator if the Earth suddenly stops rotating is c) Increase.
Correct answer: Increase- A. Solid sphere
- B. Solid cylinder
- C. The one that has the largest mass arrives first
- D. The one that has the largest radius arrives first
Explanation: Please note that the correct option for the object with the greater moment of inertia is a) Solid sphere.
Correct answer: Solid sphere- A. Larger
- B. Exactly the same
- C. Smaller
- D. Nearly but not exactly zero
Explanation: Please note that the correct option for the gravitational force on the astronaut in the International Space Station (ISS) is c) Smaller.
Correct answer: Smaller- A. Two times.
- B. Four times.
- C. Six times.
- D. Eight times.
Explanation: The time period T of a simple pendulum is given by the equation:T = 2π√(L/g)where L is the length of the pendulum and g is the…
Correct answer: Two times.- A. -mgθ
- B. -mg
- C. mgθ
- D. mg
Explanation: In a simple pendulum executing simple harmonic motion, the restoring force is given by the formula F = -mgθ, where θ is the angular…
Correct answer: -mgθ