Physics MCQ on Uniform Circular Motion for NEET, JEE, Medical and Engineering Exam 2021
MCQ on Uniform Circular Motion: Previous trends reveal that NEET/JEE aspirants find Physics as the most challenging section amongst the other sections. But most of them fail to decipher the reason behind this. This particularly can be as the candidates taking up this examination are predominantly medical aspirants with their subject of interest being Biology. Also, sections like Physics are more on theories, laws, numerical as opposed to Biology which is more of fact-based, life sciences and comprising of substantial explanations.
In this post we are providing you MCQ on Uniform Circular Motion, which will be beneficial for you in upcoming NEET, AIIMS, JEE, WBJEE, Medical and Engineering Exams.
MCQ on Uniform Circular Motion
Q1. If a particle moves with constant angular velocity in a circle then during the motion its ________. a) Energy is conserved
a) Energy is conserved
b) Momentum is conserved
c) Both energy and momentum is conserved
d) None of the above is conserved
Q2. A body moves with a constant speed along a circle. Then ________. a) No work is done on it
a) No work is done on it
b) No force acts on the body
c) The body has constant velocity
d) There is no acceleration produced in the body
Q3. A motorcyclist going with a constant speed in a circular track has ________. d) Angular velocity is constant
a) Constant force
b) Constant acceleration
c) Linear velocity is constant
d) Angular velocity is constant
Q4. A stone tied to a string is rotated in a circle. If the string is cut, the stone flies away from the circle because ________. a) of its inertia
a) of its inertia
b) A centrifugal force acts on the stone
c) A centripetal force acts on the stone
d) The reaction of the centripetal force
Q5. What will be the velocity vector of a particle moving in a circle describing equal angles in equal times ? c) Changes in direction
a) Remains constant
b) Changes in magnitude
c) Changes in direction
d) Changes both in direction and magnitude
Q6. A tachometer is a device to measure ________. c) Speed of rotation
a) Gravitational pull
b) Surface tension
c) Speed of rotation
d) Tension in a spring
Q7. What could be the reason a car moving on a horizontal road gets thrown out of the road while taking a turn ________. c) Due to lack of sufficient centripetal force
a) By the gravitational force
b) Due to the reaction of the ground
c) Due to lack of sufficient centripetal force
d) Due to rolling frictional force between tyre and road
Q8. The angular velocity of a body moving with a constant speed v in a circle of radius r is given by ________. c) v/r
a) vr
b) v2/r
c) v/r
d) r/v
Q9. A body moves with a constant speed in a circular path is moving in a circular path with a constant speed. It has ________. c) Acceleration of constant magnitude
a) Constant velocity
b) Constant acceleration
c) Acceleration of constant magnitude
d) An acceleration which varies with time
Q10. A cyclist turns around a curve at 15 miles/hour. If he turns at double the speed, the tendency to overturn is ________. d) Quadrupled
a) Halved
b) Doubled
c) Unchanged
d) Quadrupled
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By Team Learning Mantras