Free Angular and Linear Quantities MCQs with Answers
317 Angular and Linear Quantities MCQs from Physics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Rotational motion relates angular displacement, angular velocity and angular acceleration to linear displacement, tangential velocity and tangential acceleration through the radius. Questions use radians, v equals r omega and tangential acceleration, while distinguishing tangential velocity from centripetal acceleration and angular quantities from their linear counterparts.
Last updated
317 questions · page 11 of 16
- A. Its velocity is constant
- B. Its acceleration is constant
- C. Its motion is linear
- D. Its motion is circular
Explanation: The correct answer is option D: Its motion is circular. This option suggests that the particle's motion is circular.
Correct answer: Its motion is circular- A. 8rad/s
- B. 4rad/s
- C. 12rad/s
- D. 2rad/s
Explanation: Option A correctly calculates the angular velocity of the wheel using the given linear velocity and radius.𝑣=1600 cm/s=16…
Correct answer: 8rad/s- A. Particle 1
- B. Particle 2
- C. Particle 3
- D. Particle 4
Explanation: Particle-2 has a mass of m/2, speed of 2v, and a radius of 2r. Evaluating the centripetal force: Fc = (m/2 * (2v)2) / (2r) = (4mv2)/(4r) =…
Correct answer: Particle 2- A. 4a
- B. 8a
- C. 16a
- D. a
Explanation: The correct answer is option C: 16a. This option suggests that the new acceleration will become 16a.
Correct answer: 16a- A. 5I
- B. 3I
- C. 6I
- D. 4I
Explanation: This is the following solution:The correct formula for the moment of inertia of a uniform circular disc about an axis perpendicular to its…
Correct answer: 6I- A. 3.14 m
- B. 6.28 m
- C. Pi rad
- D. 0.157 m
Explanation: The following is the solution: S=rθ 1×π=3.14(1) =3.14m
Correct answer: 3.14 m207. When a body moves in a circle, the angle between its linear velocity and angular velocity is always:
- A. 0°
- B. 180°
- C. 360°
- D. 90°
Explanation: This is the correct answer. When a body moves in a circle, the angle between its linear velocity and angular velocity is always 90°.
Correct answer: 90°- A. Is centripetal acceleration
- B. Is tangental acceleration
- C. Is radial acceleration
- D. Both A and B
Explanation: Explanation is given below: In uniform circular motion, the relationship between acceleration (a), radius (r), and angular acceleration…
Correct answer: Is tangental acceleration- A. Toward the centre of circle
- B. Away from centre of circle
- C. Along the tangent
- D. All of these
Explanation: Option C is correct.If the string breaks, the stone will move in a straight line tangent to the circle that it was rotating in.
Correct answer: Along the tangent- A. Quadrupled
- B. Halved
- C. Unchanged
- D. Doubled
Explanation: Option A is correct.If a cyclist turns around a curve at double the speed, the tendency to overturn is quadrupled.
Correct answer: Quadrupled- A. π/3×r
- B. π/6×r
- C. π/30×r
- D. π/180×r
Explanation: Arc length = Distance moved by point= 30/360 *2 πr = 1/6 πr
Correct answer: π/6×r- A. A
- B. B
- C. C
- D. D
Explanation: F=mw^2rAs both points are on same ring they will have same m and w.So,o f is proportional to rF1/F2=R1/R2 .
Correct answer: B- A. 14m/s
- B. 3m/s
- C. 3.92m/s
- D. 5m/s
Explanation: The explanation for this question is below:
Correct answer: 14m/s- A. The centripetal acceleration remains unchanged
- B. The centripetal acceleration is halved
- C. The centripetal acceleration is doubled
- D. The centripetal acceleration is quadrupled
Explanation: The explanation for this question will be added soon!
Correct answer: The centripetal acceleration remains unchanged- A. 3.14m
- B. 3.14rad
- C. 5m
- D. 2.8m
Explanation: The explanation for this question will be added soon!
Correct answer: 3.14m- A. The velocity vector is tangent to the circle
- B. The acceleration vector is tangent to the circle
- C. The acceleration vector points to the center of the circle
- D. The velocity and acceleration vectors are prependicular to each other
Explanation: The explanation for this question will be added soon!
Correct answer: The acceleration vector is tangent to the circle- A. 1.5ms1
- B. 3.5ms1
- C. 4.5ms1
- D. 2.5ms1
Explanation: The correct option is 2.5ms_1 To calculate the linear speed of the wheel, we can use the following formula: v = ωr where: v is the linear…
Correct answer: 2.5ms1- A. Radial velocity and radial acceleration
- B. Tangential velocity and radial acceleration
- C. Tangential velocity and tangential acceleration
- D. Tangential velocity but acceleration having both components
Explanation: Option D is most appropriate as when the body moves in a circular path it always possesses tangential velocity and radial acceleration but…
Correct answer: Tangential velocity but acceleration having both components- A. Mass of body
- B. Tension in the string
- C. Velocity of body
- D. Centripetal acceleration
Explanation: Therefore, the correct answer is option B: Tension in the string. The centripetal force required to keep the body moving in a horizontal…
Correct answer: Tension in the string- A. Gravitional force
- B. Frictional force
- C. Centripetal force
- D. Centrifugal acceleration
Explanation: Therefore, the correct answer is option C: Centripetal force. The curved flight of fighter planes at high speed requires a large…
Correct answer: Centripetal force