If the body is moving in a circle of radius r with a constant speed v, its angular velocity is:

1. v2/r

2. vr

3. v/r

4. r/v

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Two racing cars of masses m1 and m2 are moving in circles of radii r1 and r2 respectively. Their speeds are such that each makes a complete circle in the same duration of time t. The ratio of the angular speed of the first to the second car is

(1) m1 : m2

(2) r1 : r2

(3) 1 : 1

(4) m1 r1 : m2 r2

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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If a particle moves in a circle describing equal angles in equal times, its velocity vector:

(1) remains constant.

(2) changes in magnitude.

(3) changes in direction.

(4) changes both in magnitude and direction.

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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A motorcyclist going round in a circular track at a constant speed has:

(1) constant linear velocity.

(2) constant acceleration.

(3) constant angular velocity.

(4) constant force.

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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A particle P is moving in a circle of radius ‘a’ with a uniform speed v. C is the centre of the circle and AB is a diameter. When passing through B the angular velocity of P about A and C are in the ratio

(1) 1 : 1

(2) 1 : 2

(3) 2 : 1

(4) 4 : 1

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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A particle moves with constant angular velocity in a circle. During the motion its

(1) Energy is conserved

(2) Momentum is conserved

(3) Energy and momentum both are conserved

(4) None of the above is conserved

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radii R and r such that their periods are the same. Then the ratio between their centripetal acceleration is

(1) R/r

(2) r/R

(3) R2/r2

(4) r2/R2

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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A particle is moving in a horizontal circle with constant speed. It has constant

(1) Velocity

(2) Acceleration

(3) Kinetic energy

(4) Displacement

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The angular speed of a flywheel making 120 revolutions/minute is:

(1) $2\pi \text{\hspace{0.17em}\hspace{0.17em}}rad/s$

(2) $4{\pi }^{2}\text{\hspace{0.17em}\hspace{0.17em}}rad/s$

(3) $\pi \text{\hspace{0.17em}\hspace{0.17em}}rad/s$

(4) $4\pi \text{\hspace{0.17em}\hspace{0.17em}}rad/s$

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Certain neutron stars are believed to be rotating at about 1 rev/sec. If such a star has a radius of 20 km, the acceleration of an object on the equator of the star will be

(1) $20×{10}^{8}m/{\mathrm{sec}}^{2}$

(2) $8×{10}^{5}m/{\mathrm{sec}}^{2}$

(3) $120×{10}^{5}m/{\mathrm{sec}}^{2}$

(4) $4×{10}^{8}m/{\mathrm{sec}}^{2}$

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: