Uniform Circular Motion
Write the difference between uniform acceleration and non uniform acceleration.
- 9π m, 6√ m
- 12π m, 6√ m
- 12π m, 0 m
- 9π m, 0 m
Define circular motion.
Uniform circular motion examples
In , a car with a speed travels a distance of:
In a uniform circular motion, which of the following is true?
Speed remains constant and velocity changes continuously.
Neither velocity nor speed remains constant.
Velocity is constant and speed is changing.
Velocity and speed both remain constant.
Explain why, the motion of a body which is moving with constant speed in a circular path is said to be accelerated.
Is the uniform circular motion accelerated ? Give reasons for your answer.
What is the speed of the Earth during a revolution?
A cyclist goes around a circular track once every 2 minutes . If the radius of a circle is 110 m calculate the speed and velocity.
The circular motion of a particle with constant speed is
Periodic but not simple harmonic
Simple harmonic but not periodic
Periodic and simple harmonic
Neither periodic nor simple harmonic
State an important characteristic of uniform circular motion. Name the force which brings about uniform circular motion.
Is the uniform circular motion accelerated?
A runner completes one round of a circular track of diameter 400 m in 40 s. What is the distance covered and the displacement at the end of 2 minutes 20 s?
What is the banking of roads? Why is banking necessary for a curved road?
- constant, constant
- varying, constant
- constant, varying
- varying, varying
A satellite goes round the earth in a circular orbit with constant speed. Is the motion uniform or accelerated ?
Why is uniform circular motion known as an accelerated motion?
An object may have :-
A) varying speed without having varying velocity.
B) varying velocity without having varying speed.
C) non zero acceleration without having varying velocity.
D) non zero acceleration without having varying speed.
Explain your answer.
Write the formula to calculate the speed of a body moving along a circular path of radius r whe it has completed N revolutions in time t
What type of motion is represented by the tip of the 'seconds' hand' of a watch? Is it uniform or accelerated?
Can average speed of moving object be zero?
- Its speed changes but velocity remains the same.
- Both speed and velocity changes.
- Both speed and velocity do not change.
- Its velocity changes but speed remains the same.
- It is moving in some arbitrary path.
- It is moving in a straight line.
- It is moving in a circle.
- It is at rest.
When a car runs on a circular track with a uniform speed, its velocity is said to be changing. This is because :
(a) the car has a uniform acceleration
(b) the direction of car varies continuously
(c) the car travels unequal distances in equal time intervals
(d) the car travels equal distances in unequal time intervals
Name the type of motion in which a body has a constant speed but not constant velocity.
a. areal velocity is constant
b. linear velocity is constant
c. angular velocity is constant
d. all the velocities are constant
What are the two kinds of rotary motion?