centripetal acceleration

Front

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

Back

A

Front

Which of the following depict the speed of the blowing ball? Options: A, B, C, D

Back

C

Front

A horse gallops around a circular arena. What is the direction of the centripetal force on the horse?

Back

directed toward the center of the arena

Front

What relationship exists between the radius of a circle and the centripetal acceleration? Options: direct, inverse, exponential, inverse squared

Back

inverse

Front

Which of the following increase the centripetal force? Options: Increasing the radius, Increasing the velocity, Decreasing the mass, Decreasing the acceleration

Back

Increasing the velocity

Front

A car with mass m travels around a curve with velocity v. What happens to the centripetal force if the velocity triples?

Back

The centripetal force multiplies by 9.

Front

Calculate the centripetal force for a ball with velocity 3 m/s, mass 0.12 kg, and radius 0.65 m.

Back

1.66 N

Front

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

Back

True

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

Front

The centripetal force of satellites is similar to gravitational force because they are both a net force towards the center of earth.

Back

True