Uniform Circular Motion (conceptual questions)

Front

A particle P is moving in a circle with uniform speed. Which diagram shows the direction of acceleration a and velocity v of the particle at one instant? Options: A, B, C, D

Back

C

Front

What is the direction of the velocity at point B, if the ball is revolving clockwise? Options: up, right, down, left

Back

down

Front

What is the direction of the acceleration at point A, if the ball is revolving clockwise? Options: up, right, down, left

Back

down

Front

What is the direction of the acceleration at point B, if the ball is revolving clockwise? Options: up, right, down, left

Back

left

Front

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

Back

tangent

Front

What is the direction of the velocity at point A, if the ball is revolving clockwise? Options: up, right, down, left

Back

right

Front

Centripetal acceleration always points

Back

towards the center of the circle

Front

Which represents the acceleration of the ball? Options: A, B, C, D

Back

A

Front

What keeps the water in a bucket when swung in a circle above your head? Options: Friction, Centripetal Force, Gravity, Inertia

Back

Inertia

Front

Where is the net force when the rollercoaster is at the top of the loop? Options: Towards the sky, Towards the Right, Towards the left, Towards the ground

Back

Towards the ground