Circular Motion MCQs

## Level 1

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Q.1) Centripetal Force acts along the \_\_\_\_\_\_\_ ?

a)circumference of circle b)radius and away from the centr c) Radius and towards the centre d) May depend

* Select :
* a
* b
* c
* d

\_\_

 Wrong

 Answer : c

 Wrong

 Answer : c

 Correct Answer !

 Wrong

 Answer : c

Q.2)Uniform Circular Motion is a/an \_\_\_\_\_ Motion .

a) non-accelerated b) accelerated c)linear d) tangential

* Select :
* a
* b
* c
* d

\_\_

 Wrong

 Answer : b

 Correct Answer !

 Wrong

 Answer : b

 Wrong

 Answer : b

Q.3) The angular velocity of a body rotating at 120 rpm is ?

a) 12.56 b) 6.28 c)5π d) 2π

* Select :
* a
* b
* c
* d

\_\_

 Correct Answer !

 Wrong

 Answer : a

 Wrong

 Answer : a

 Wrong

 Answer : a

Q.4) The Angular acceleration of a body rotating at 12 rad/sec initially and then at 24 rad/sec after 12 seconds is \_\_\_\_\_ .

a)2 b)3 c)1 d)6

* Select :
* a
* b
* c
* d

\_\_

 Wrong

 Answer : c

 Wrong

 Answer : c

 Correct Answer !

 Wrong

 Answer : c

Q.5) A particle revolves in a circle of radius 2 m and angular velocity 4 rad/sec . What is it's radial acceleration in rad/sec2?

a)4 b)8 c) 16 d)32

* Select :
* a
* b
* c
* d

\_\_

 Wrong

 Answer : d

 Wrong

 Answer : d

 Wrong

 Answer : d

 Correct Answer !

Q.6)Uniform Circular Motion has \_\_\_\_\_ acceleration .

a) Tangential only b) radial only c) both radial and tangential d) None of these

* Select :
* a
* b
* c
* d

\_\_

 Wrong

 Answer : b

 Correct Answer !

 Wrong

 Answer : b

 Wrong

 Answer : b

Q.7) Non-Unform Co=ircular Motion has \_\_\_\_\_ acceleration .

a) Tangential Only b) radial only c) both radial and tangential d) None of these

* Select :
* a
* b
* c
* d

\_\_

 Wrong

 Answer : c

 Wrong

 Answer : c

 Correct Answer !

 Wrong

 Answer : c

Q.8) In Vertical Circular Motion , the \_\_\_\_\_\_\_ is conserved .

a)Potential Energy b) Total Energy c) Kinetic Energy d) velocity

* Select :
* a
* b
* c
* d

\_\_

 Wrong

 Answer : b

 Correct Answer !

 Wrong

 Answer : b

 Wrong

 Answer : b
Q.9)

## Level 2

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Q.1) In half period of revolution , the displacement and distance covered is \_\_\_\_\_\_\_\_ .

a) 2r , πr b) πr , 2r c) 2πr , 2r d) 0 , 2πr

* Select :
* a
* b
* c
* d

\_\_

 Correct Answer !

 Wrong

 Answer : a

 Wrong

 Answer : a

 Wrong

 Answer : a
## Level 3

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Particle is acted upon by a force of constant magnitude and is always perpendicular to the motion of th prticle . The Motion is ?

a) linear b) circular c) projectile d) Curved

* Select :
* a
* b
* c
* d

\_\_

 Wrong

 Answer : b

 Correct Answer !

 Wrong

 Answer : b

 Wrong

 Answer : b

Q.2) The vector from centre of a curcle to the particl performing circular motion is called as ?

a) velocity vector b) centripetal vector c) centrifugal vector d) radius vector

* Select :
* a
* b
* c
* d

\_\_

 Wrong

 Answer : d

 Wrong

 Answer : d

 Wrong

 Answer : d

 Correct Answer !

Q.3) A body revolves around another object at a distance of 30 m from it in a circle . The mass of the body and the object are 4kg and 5 kg respectively . The object and body rotate at frequencies 2/π and 4/π respectively . What is the centripetal force acting on the body ? (Read the qustion carefully , very carefully !)

a)768 N b)256 N c)448 N d) 980 N

* Select :
* a
* b
* c
* d

\_\_

 Correct Answer !

 Wrong

 Answer : a

 Wrong

 Answer : a

 Wrong

 Answer : a Q4) A stone is tied to a rope and whirled in a vertical circle . It is most likely to break at \_\_\_\_\_\_\_ .

a)Top point b)Mid point c)Bottom point d)Any point

* Select :
* a
* b
* c
* d

\_\_

 Wrong

 Answer : c

 Wrong

 Answer : c

 Correct Answer !

 Wrong

 Answer : c
## Level 4

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## Level 5

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## Level 6

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## Level 7

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## Level 8

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## Level 9

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## Level Ultimate !

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