Circular Motion Questions

One end of string of length l is connected to a particle of mass 'm' and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed &#39...

A particle of mass 10 g moves along a circle of radius 6.4 cm with a constant tangential acceleration. Whatis the magnitude of this acceleration if the kinetic energy of the particle becomes equal to ...

What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that itcan complete the loop?

What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that itcan complete the loop?

A particle is moving with a uniform speed in a circular orbit of radius R in a central force inversely proportional to the nth power of R. If the period of rotation of the particle is T, then,...

Which of the following quantities may remain constant during the motion of an object along a curved path :

A machine, in an amusement park, consists of a cage at the end of one arm, hinged at O. The cage revolves along a vertical circle of radius r (ABCDEFGH) about its hinge O, at constant linear speed v =...

A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless road. If the bankingangle is 45o, the speed of the car is

A particle moves in a circle of radius 5 cm with constant speed and time periof 0.2 π s. The accleration of the particle is

A gramphone record is revolving with an angular velocity ω coin is placed at a distance r from the centre of the record. The static coefficient of friction is μ. The coin will revolve with t...

A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m/s. A plumb bob is suspended from the roof of the car by a light rigid rod. The angle by the rod with the ver...

A long horizontal rod has a bead which can slide along its length and is initially placed at a distance L from one end A of the rod. The rod is set in angular motion about A with a constant angular ac...

A small block is shot into each of the four tracks as shown below. Each of the tracks rises to the same height. The speed with which the block enters the track is the same in all cases. At the highest...

An insect crawls up a hemishperical surface very slowly (see the figure). The coefficient of friction between the surface and the insect is 1/3. If the line joinging of the center of the hemispherical...

A string og negligible mass going over a clamped pully of mass m support a block of mass M as shown in the figure. The force on the pulley by the clamp is given by...

The pulleys and string in the figure are smooth and of negligible mass. For the system to remain in equilibrium, the angle θ should be...

A stone tied to a string of length L is whirled in a vertical circle with the other end of the string at the centre. At a certain instant of time, the stone is at its lowest position, and has a speed ...

Which of the following statements is false for a particle moving in a circle with a constant angular speed?

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 a plane. It follows that...

The minimum velocity (in ms-1) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction 0.6 to avoid skidding is