Uniform Circular Motion
Uniform Circular Motion: Overview
This topic covers concepts, such as, Uniform Circular Motion, Acceleration Due to Change in Velocity, Angular Velocity and Speed & Direction of Tangential velocity etc.
Important Questions on Uniform Circular Motion
If a body is moving in a circular path with uniform circular motion. Then it's acceleration will be uniform or non-uniform?
When a body is moving with constant speed in a circular path, its acceleration is zero.
Uniform circular motion is a case of accelerated motion.
Earth moves round the sun with uniform velocity.
Name the physical quantity which remains constant in the uniform circular motion.
Name the physical quantity which changes continuously in a uniform circular motion.
(Velocity/Speed)
It is possible for something to accelerate but not change its speed if it moves in a _____. Choose from (straight path / circular path)
Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of . It implies that the boy is
S.I. unit of angular velocity is _____.( radian per second/ metre per second)
The angular displacement of a body per unit time is called _____.
In an uniform circular motion, direction of velocity is along the tangent drawn to the position of particle on the _____ of the circle. (Choose from: circumference/ centre/ diameter)
Observe the given picture and identify the direction in which the stone moves after it is released?
Give an example of situation in which speed of a body is not equal to its velocity. When is the velocity of a body uniform? Can a moving body have zero average velocity? Illustrate with example.
Differentiate between uniform linear and uniform circular motion. Give four examples of uniform circular motion.
Why is uniform circular motion called accelerated motion?
Derive an expression for relation between linear velocity and angular velocity of a body moving in uniform circular motion.
What is the direction of acceleration of a body in uniform circular motion? Draw a diagram to demonstrate this.
What is the direction of velocity of a body in uniform circular motion? Draw a diagram to demonstrate this.
Give two examples of objects in uniform circular motion.
A circular track has circumference of . A cyclist moves along the circumference and completes one round in half an hour. Find his distance and displacement after .
