Free Angular Velocity MCQs with Answers
105 Angular Velocity MCQs from Physics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Angular velocity describes how quickly angular displacement changes with time, with ω = Δθ/Δt and units of radians per second. Questions relate angular and linear motion through v = rω, use the direction given by the right hand rule, and distinguish angular velocity from angular acceleration and ordinary frequency.
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105 questions · page 3 of 6
- A. momentum
- B. Angular velocity
- C. Acceleration
- D. Radius vector
Explanation: When an object moves along a circle at constant speed, v, its angular velocity about the circle's center is also constant, and the object…
Correct answer: Angular velocity- A. time period
- B. frequency
- C. vibration
- D. none of these
Explanation: There exists an important relationship between angular velocity and frequency and it is given by the following formula;angular velocity is…
Correct answer: frequency- A. zero
- B. negative
- C. infinite
- D. linear
- E. C and D
Explanation: Angular velocity cannot be infinite because it defies physical laws and is not achievable in practice, making option C correct.
Correct answer: C and D- A. 67 rad/s2
- B. 46 rad/s2
- C. 36 rad/s2
- D. 16 rad/s2
- E. 6 rad/s2
Explanation: Average angular acceleration = final angular acceleration - initial angular acceleration/timeAverage angular acceleration=(5 rad/s-2…
Correct answer: 6 rad/s2- A. 2π
- B. π
- C. 4π
- D. 7.3 x 10^-5 rad s-1
Explanation: The following snippet shows the solution.
Correct answer: 7.3 x 10^-5 rad s-1- A. 20%
- B. 25%
- C. 125%
- D. 56%
Explanation: K.E. = ½ I ω² ⇒ K.E. ∝ ω²K.E.i ∝(4)²= 16ω²K.E.f ∝(5)²= 25ω²% increase in K.E.
Correct answer: 56%- A. 42300 rad/sec
- B. 1200 rad/sec
- C. 10/4200 rad/sec
- D. 44 rad/sec
Explanation: The following is the solution:The formula for angular speed is given by:ω = 2πfwhere ω is the angular speed, and f is the frequency of…
Correct answer: 44 rad/sec- A. 6:1
- B. 12:1
- C. 1:12
- D. 1:6
Explanation: The following is the solution:The minute hand of a watch completes one full rotation (360 degrees) in 60 minutes, while the hour hand…
Correct answer: 12:1- A. 1.66rad/s
- B. 10.47rad/s
- C. 10.47deg/s
- D. 60deg/s
Explanation: The following is the solution:The angular velocity of the particle rotating in a circular orbit 100 times per minute is:ω = 2πfwhere f is…
Correct answer: 10.47rad/s- A. 6 rads
- B. π/6 5rads2
- C. 6/π rads2
- D. π rads2
Explanation: The correct answer is Option C:The following is the solution:We can use the equation of motion in angular form, 2as = ω₂² - ω₁², where s…
Correct answer: 6/π rads2- A. 3π rads2
- B. 6π rads-2
- C. 9π rads2
- D. 12π rads2
Explanation: The angular acceleration of the flywheel is calculated by converting the given angular velocity from rpm to radians/second and then using…
Correct answer: 3π rads2- A. 2π rad/s
- B. 4π rad/s
- C. 4π 2rad/s
- D. π rad/s
Explanation: The following is the solution:To find the angular speed of the flywheel, we need to convert the given value from revolutions per minute…
Correct answer: 4π rad/s- A. 2π
- B. 4π
- C. π/6
- D. π/12
Explanation: The following is the solution:To calculate the angular speed of the Earth's daily rotation in radians per hour, we need to know the time…
Correct answer: π/12- A. 2π/60 rads-1
- B. π/24 rads-1
- C. 2π/3600 rads-1
- D. π/3600 rads-1
Explanation: The minute hand of a clock completes a full revolution (2π radians) in one hour, which is 3600 seconds.
Correct answer: 2π/3600 rads-1- A. 3600:1
- B. 60:1
- C. 24:1
- D. 12:1
Explanation: The clock displays 12 divisions, which are 1 hour each for the hour hand and 5 minutes each for the minute hand.
Correct answer: 12:1- A. Constant linear velocity
- B. Constant acceleration
- C. Constant angular velocity
- D. Constant force
Explanation: The answer is constant angular velocity. A motorcyclist going round in a circular track at constant speed has constant angular velocity.
Correct answer: Constant angular velocity- A. Slower
- B. Faster
- C. Constant
- D. Both 'A' and 'C'
Explanation: Option B is correct because as the body moves faster in a circular path, its angular velocity increases and it gains angular acceleration…
Correct answer: Faster- A. π/6 rad s⁻¹
- B. π/15 rad s⁻¹
- C. π/20 rad s⁻¹
- D. π/30 rad s⁻¹
Explanation: Option D is the correct option. The answer can be calculated as:1rev=2π1min=60srev/min=2π /60s=π /30Options A, B, and C do not consider…
Correct answer: π/30 rad s⁻¹- A. T=2π/ω
- B. T=2πω
- C. T=ω/2π
- D. T=πω/2
Explanation: The correct answer is option A: T = 2π/ω. The period of circular motion is given by T = 2π/ω, where T represents the period and ω…
Correct answer: T=2π/ω- A. 3000π
- B. 50π
- C. 100π
- D. 2π
Explanation: To solve this question, we first convert the rotational speed of 3000rpm to angular velocity in radians per second, which is 100π radians…
Correct answer: 100π