Uniform Circular Motion
Uniform Circular Motion: Overview
This topic deals with uniform circular motion of the body having constant speed using different examples and figures for a better understanding of the circular motions of any kind of the paths.
Important Questions on Uniform Circular Motion
Give example of a motion in which speed of a body remains constant but the body is in accelerated motion.

_____ (speed/force) remains constant in uniform circular motion.

A particle is executing uniform circular motion in a path of radius with a frequency of revolution per minute. By how much does the total distance travelled by the particle in seconds exceed the magnitude of its displacement over the same time interval?

The angular velocity of earth's rotation on its geographical axis is

A body is travelling at a constant speed in a circle. It has

A stone is attached to a string long and whirled round in horizontal circle. It completes one rotation in one second. The angular velocity and linear speed of the stone is

A body moves in a uniform circular motion,

Name a motion where an object does not change its speed but its direction of motion changes continuously. Calculate the speed of tip of second hand of watch of length .

"The direction in which an object moves is given by the direction of velocity of the object and not by the acceleration." Give an example to justify this statement.

If the acceleration of the particle is constant in magnitude but not in direction, what type of path does the particle follow?

Can a body have acceleration in one direction and velocity in another direction?

_____ provides the required centripetal force in planetary motion. (Gravitational force / Nuclear force / Electrostatic force)

Uniform circular motion is a case of accelerated motion.

When a body is moving with constant speed in a circular path, its acceleration is zero.

Can a body moving with a constant speed have accelerated motion?

A cyclist moves in a circular path with constant speed. Where is the acceleration of the cyclist directed?

What is the direction of motion of a body moving in a curved path?

If two objects move in a circular path of radii of and take the same time to complete the circle, what is the ratio of their speeds?

A car moves in a circle of radius in with a uniform speed. Find the speed.

An artificial satellite is moving in a circular orbit of radius . Calculate its speed if it takes hours to revolve around the earth.
