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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- A. 57.1°
- B. 57.2°
- C. 57.3°
- D. 57.4°
Explanation: 1 radian = (180/π)° ≈ 57.2958°, commonly rounded of to 57.3°.
Correct answer: 57.3°- A. Clockwise
- B. Anti-clockwise
- C. Parallel
- D. Perpendicular
Explanation: For positive angular displacement, the rotation is counterclockwise because it follows the standard convention where counterclockwise…
Correct answer: Anti-clockwise- A. π
- B. 6π
- C. 3π
- D. 12π
Explanation: 360 rev/min = 6 rev/s. In one second the shaft turns 6 revolutions → angle = 6×2π = 12π radians.
Correct answer: 12π- A. 5.5 radians
- B. 5.0 radians
- C. 3.5 radians
- D. 4.5 radians
Explanation: Angular displacement θ = arc length S divided by radius r: θ = 14 / 4 = 3.5 rad.
Correct answer: 3.5 radians- A. 4 rad
- B. 9 rad
- C. 12 rad
- D. 7 rad
Explanation: V = u + at6 = 0 + 2tt = 3 secondsØ = ut + 1/2at2Ø = 0 + 1/2 • 2 • 3²Ø = 9 radian.
Correct answer: 9 rad- A. 2π radian
- B. 3 radian
- C. 5 radian
- D. 9 radian
Explanation: There are 2π radians in a full circle. So 2π radians should equal 360°.
Correct answer: 2π radian- A. 360
- B. 180
- C. 100
- D. 57.3
- E. 1.01745
Explanation: Radian is the SI unit of measuring angles. It is the measure of the central angle whose arc length is the same as the radius of the…
Correct answer: 57.3- A. 6.5 m
- B. 7 m
- C. 7.5 m
- D. 1.75 m
Explanation: The linear displacement of a body moving along a circular path can be determined using the formula:Linear Displacement = 2 × Radius ×…
Correct answer: 7 m- A. angle =0
- B. v=0
- C. r=0
- D. both b and c
Explanation: Arc length (s) is found by the formula = S = radius x angular displacement,so, angular displacement = arc length / radius; it can only be…
Correct answer: angle =0- A. 4 rad
- B. 9 rad
- C. 12 rad
- D. 7 rad
Explanation: Following is the solution to this question;
Correct answer: 9 rad- A. 2 radian
- B. 3 radian
- C. 5 radian
- D. 6.28 radian
Explanation: One complete circle is approximately equal to 6.28 radii and is exactly equal to 2 ℼ radii.
Correct answer: 6.28 radian- A. r(π/3)
- B. r(π/6)
- C. r(π/30)
- D. r(π/180)
Explanation: The dispance through which any point on the rim moves is equal to the the distance the rim has rolled, S.
Correct answer: r(π/6)- A. parameter
- B. area
- C. circumference
- D. all of these
Explanation: As θ= Angular displacement or measurementS= arc length or circumferencer= radius of circle Since θ= S/r Hence angular displacement is…
Correct answer: circumference- A. 5.0 radians
- B. 3.5 radians
- C. 4.5 radians
- D. 5.5 radians
Explanation: Arc length = Radius x Angular displacementS = rθKeeping Arc length as 14m and radius as 4m, we get angular displacement as 3.5 radians.
Correct answer: 3.5 radians- A. 57.1 degrees
- B. 57.2 degrees
- C. 57.3 degrees
- D. 57.4 degrees
Explanation: 360 degrees = 2 π rads-> 1 radian= 360/2π->57.3 °.
Correct answer: 57.3 degrees- A. 180/pi
- B. pi/180
- C. 2pi/ 180
- D. pi/57.3
Explanation: 360 degrees is one complete rotation, which in radians is 2pi (approximately 6.28).To work out the equivalent angular displacement in…
Correct answer: pi/180- A. 5.5 radians
- B. 5.0 radians
- C. 3.5 radians
- D. 4.5 radians
Explanation: The following is the solution:Given that the radius of the circular path is 4m, and the object moves 14m on this path, we can calculate…
Correct answer: 3.5 radians- A. Linear motion
- B. Circular motion
- C. Random motion
- D. Oscillation
Explanation: In circular motion, an object moves along a circular path. If an object completes one full revolution and returns to its starting point…
Correct answer: Circular motion- A. Clockwise
- B. Anti-clockwise
- C. Parallel
- D. Prependicular
Explanation: For positive angular displacement, the rotation would be counterclockwise.
Correct answer: Anti-clockwise- A. π/3r
- B. π/6r
- C. π/30r
- D. π/180r
Explanation: When a wheel of radius r turns through an angle of 30 degrees, the distance any point on its rim moves can be calculated using the formula…
Correct answer: π/6r