Circular Motion

Centripetal acceleration acts towards the ___________ of the circular motion

• centre
• circumference

A ball is moving at constant speed around the circle. Which letter represents the acceleration of the ball?

• A

• B

• C

• D

• Nonsense. The ball can't be accelerating while moving at a constant speed.

Which of the following depict the speed of the blowing ball?

• A
• B
• C
• D

Particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration and velocity of the particle at one instant of time?

• A
• B
• C
• D

What is the direction of the velocity at point B, if the ball is revolving clockwise?

• up
• right
• down
• left

What is the direction of the acceleration at point A, if the ball is revolving clockwise?

• up
• right
• down
• left

What is the direction of the acceleration at point B, if the ball is revolving clockwise?

• up
• right
• down
• left

The velocity is always _____ to the line of a circle. 

• outwards
• towards the center
• tangent
• faster

What is the direction of the velocity at point A, if the ball is revolving clockwise?

• up
• right
• down
• left

When an object is in circular motion it is constantly changing its velocity.

• True

• False