HARD
Earn 100

Derive an expression for relation between linear velocity and angular velocity of a body moving in uniform circular motion.

Important Questions on Motion

MEDIUM

What is an artificial satellite? Name any two types of artificial satellite and state their functions.

MEDIUM
A boy moving along a circular path of radius 10 m completes 3/4th of the circle in 10 sec. The magnitude of speed and velocity are
MEDIUM
A mass attached to one end of a string crosses topmost point on a vertical circle with critical speed. Its centripetal acceleration when string becomes horizontal will be ( g= gravitational acceleration)
EASY
In Circular motion which one is correct
EASY
The quantity that remains constant in uniform circular motion is :
MEDIUM
Why is the motion of a body moving with a constant speed around a circular path said to be accelerated?
EASY
Look at the figure below and answer the following questions:
Question Image
Is this an example of accelerated motion? Why?
EASY
What remains constant in uniform circular motion?
MEDIUM
Particles P and Q are undergoing uniform horizontal circular motions along concentric circles of different radii in clockwise sense P completes each round in 2 min while Q does it is 5 min time required by Q to make one revolution around Pis :
MEDIUM

State which of the following situations are possible and give an example for each of these:

An object moving with an acceleration but with uniform speed.

EASY

Is a satellite moving around the Earth in a circular orbit accelerated? Explain.

EASY

Name a physical quantity which (i) varies (ii) remains constant when a body moves in a uniform circular motion.

MEDIUM
If a body is moving on a circular path of radius 21 m with velocity of 2 m s-1, then time taken by the body to complete half revolution is :
MEDIUM
Look at the figure below and answer the following questions:
Question Image
What is the direction of this force? Draw it in your answer sheet.
EASY

Identify the kind of motion in the following cases:  
(i) A car moving with constant speed turning around a curve.
(ii) An electron orbiting around a nucleus.

MEDIUM
An object moving with uniform circular motion shows 
EASY

Is uniform circular motion an example of accelerated motion? Explain.

EASY
Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of 10 m s-1. It implies that the boy is :
MEDIUM

An artificial satellite is moving in a circular orbit of radius 36,000 km. Calculate its speed if it takes 24 hours to revolve around the earth

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