Free Angular Displacement MCQs with Answers
94 Angular Displacement 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 displacement measures the change in a body’s angular position and is expressed in radians or degrees, with anticlockwise and clockwise directions assigned signs. It connects to arc length, angular velocity and angular acceleration, and must be distinguished from ordinary linear displacement in rotational motion.
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94 questions · page 5 of 5
- A. Degree
- B. Revolution
- C. Meters
- D. Radian
Explanation: Angular displacement is measured in units of radians. Two pi radians equals 360 degrees.
Correct answer: Meters- A. 0 radian
- B. π radian
- C. 2π radian
- D. (1/3)π radian
Explanation: The angular displacement of an object after one complete revolution is: 2π radians.
Correct answer: 2π radian- A. π
- B. 3π
- C. 6π
- D. 12π
Explanation: The number of revolutions in one second = 360/60This is equal to 6 revolutions in 1 second.
Correct answer: 12π- A. πr
- B. 2πr
- C. Zero
- D. 4π
Explanation: Since the body completes two revolutions, it covers an angular displacement equal to two full circles.
Correct answer: 4π- A. mgL
- B. mgL sin θ
- C. 0
- D. mgL cos θ
Explanation: Torque is the rate of change of angular momentum of an object T=force*radius*sinθ, in this case, force is the weight of the pendulum (mg)…
Correct answer: mgL sin θ- A. 1/60
- B. 3/2
- C. 2
- D. 6
Explanation: As we know that: 2π radians is equal to one revolution and 3π radians to x revolutions.
Correct answer: 3/2- A. 57o3'
- B. 57o3"
- C. 57o18'
- D. 57o18"
Explanation: 1 radian = 180/π degrees ≈ 57°18′ It's the angle subtended at the center of a circle by an arc equal in length to the radius.
Correct answer: 57o18'- A. Any point
- B. A fix point
- C. A point on a circle
- D. A point from outside
Explanation: The correct option is B. "A fixed point."A circular line, by definition, is a curve that is equidistant from a fixed point called the…
Correct answer: A fix point- A. n/90 radians.
- B. n/180 radians.
- C. n/270 radians.
- D. n/360 radians.
Explanation: B option is correct. One degree is equal to π/180 radians. This is the standard conversion factor between degrees and radians.
Correct answer: n/180 radians.- A. 2π radians
- B. π radians
- C. 270 degrees
- D. 180 degrees
Explanation: The circumference covers the entire length of the circle, so the angle subtended by it must be equal to the maximum angle in the circle…
Correct answer: 2π radians- A. 30 degrees
- B. 120 degrees
- C. 180 degrees
- D. 360 degrees
Explanation: In a full hour, the minute hand of a watch completes a 360-degree rotation, which is equivalent to 2π radians.
Correct answer: 30 degrees- A. 180 degrees
- B. 360 degrees
- C. 540 degrees
- D. 720 degrees
Explanation: A full turn around a circle is 360 degrees or 2π radians. For two complete turns, multiply the angle of one turn by 2, resulting in 720…
Correct answer: 720 degrees- A. 2 rad
- B. 1 rad
- C. 2π rad
- D. None of the above
Explanation: When an object is revolving in a circular path with a radius of 2m and it travels along an arc of length 4m, we can calculate the angle…
Correct answer: 2 rad- A. 100
- B. 20π
- C. 0
- D. 20
Explanation: To determine the angle described by the shaft in radians in one second, we first need to convert the rotational speed from revolutions per…
Correct answer: 20π