Question 3 :
A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in the plane. It follows that
Question 4 :
A particles revolves along a circle with a uniform speed. The motion of the particle is ____ .
Question 5 : (1):In uniform circular motion, tangential acceleration is zero.<div>(2) : In uniform circular motion, velocity is constant.<br/></div>
Question 6 :
A 60-kg person on a merry-go round is travelling in a circle with a radius of $3 \ m$ at a speed of $ 6 \ m/s$. What is the magnitude of the net force experienced by this person?
Question 7 :
If a particle moves in a closed path with a constant speed of 10 m/s, we can always say, that there will be a change in velocity.
Question 9 :
Uniform circular motion is called continuously accelerated motion mainly because its :
Question 12 :
A stationary wheel starts rotating about its own axis at uniform angular acceleration $ 8\ rad / s^{2}$ . The time taken by it to complete $77$ rotations is:<br/>
Question 13 :
Which one of the following is most probably not a case of uniform circular motion?
Question 16 :
(1) : In uniform circular motion the kinetic energy of the body is constant.<br/> (2) : In uniform circular motion the tangential force is zero.<br/>
Question 17 :
(1) : When a rigid body is rotating about its own axis, all particles of that body have the same angular velocity.<br/> (2) : All particles of the body have the same time period.<br/>
Question 18 :
Uniform circular motion is called continuously accelerated motion mainly because its :
Question 19 :
In the case of uniform circular motion, which one of the following physical quantities does not remain constant?<br>
Question 20 :
A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in the plane. It follows that
Question 22 :
A boy is running along the circumference of a stadium with constant speed. Which of the following is changing in this case?
Question 24 :
A car accelerates on a horizontal road due to the force exerted by
Question 25 :
Assertion(A): In uniform circular motion the particle has zero acceleration.<br/>Reason (R) : Centripetal force is essential to keep a particle in circular motion.<br/>
Question 26 :
A particle moves in a circle describing equal angle in equal times, its velocity vector
Question 27 :
In the case of uniform circular motion, which one of the following physical quantities does not remain constant?<br>
Question 28 :
A particles revolves along a circle with a uniform speed. The motion of the particle is ____ .
Question 30 :
The total energy of a particle that moves along a circular path in vertical plane is:<br/>
Question 31 :
A particle is moving along a circle with uniform speed. The physical quantity which is constant both in magnitude and direction, is<br>
Question 32 : <div>State whether true or false.<br/></div>A particle rotating in a circular path may have constant speed but velocity changes continuously.
Question 34 :
An athlete completes one round of a circular track of radius $R$ in $40$ seconds. What will be his displacement at the end of $2$ minute $20$ seconds?
Question 35 :
In a uniform circular motion, the angle between the velocity and acceleration is :
Question 36 :
Is it possible to have an accelerated motion with a constant speed? Name such type of motion.<br>
Question 37 : Circular Motion can be an example of periodic motion. <div>State whether the given statement is True or False.</div>
Question 38 :
(1) : In uniform circular motion the kinetic energy of the body is constant.<br/> (2) : In uniform circular motion the tangential force is zero.<br/>
Question 39 :
The total energy of a particle that moves along a circular path in vertical plane is:<br/>
Question 40 :
The angular displacement of a particle is given by $\theta =t^{3}+t^{2}+t+1$ then, its angular velocity at $t = 2$ sec is _____ $rads^{-1}$ :<br/>
Question 43 :
In uniform circular motion, the velocity vector and acceleration vector are:
Question 44 :
Uniform Circular Motion refers to a motion of an object in a circle at a constant _________.
Question 45 :
The average acceleration vector for a particle having a uniform circular motion in one complete revolution.
Question 46 :
In a uniform circular motion, the magnitude and direction of velocity at different points remain the same.
Question 47 :
A body crosses the topmost point of a vertical circle with critical speed. What will be its centripetal acceleration when the string is horizontal:
Question 48 :
(1) : When a rigid body is rotating about its own axis, all particles of that body have the same angular velocity.<br/> (2) : All particles of the body have the same time period.<br/>
Question 49 :
Which of the following quantity remains constant in a uniform circular motion?<br>
Question 50 :
Consider the following two statements A and B and identify the correct option:<br/>A) When a rigid body is rotating about its own axis at a given instant, all particles of body possess same angular velocity.<br/>B) When a rigid body is rotating about its own axis, the linear velocity of a particle is directly proportional to its perpendicular distance from axis.<br/>
