Centripetal acceleration always points

towards the center of the circle

in the direction of the object's motion

in the opposite direction of the object's motion

towards the outside of the circle

What object experiences uniform circular motion ?

A car traveling around a roundabout at a constant speed

A car speeding up as it turns left

A car slowing down as it crests a tall hill

A car traveling down the road at a constant speed

Why do objects experience centripetal acceleration?

Because they are constantly changing direction and the net change is directed inward

Because they are speeding up as they move in a circle

Because they are constantly changing both speed and direction

Because when you have 100 people pedaling, you can speed up more easily.

At the top of a rollercoaster loop, In what directions do gravity and the normal force point. A free body diagram is useful to help answer the question

gravity: down, normal force: down

gravity: down, normal force: up

gravity: down: normal force: direction of motion

1. You are making a circular turn in your car on a horizontal road when you hit a big patch of ice, causing the force of friction between the tires and the road to become zero. While the car is on the ice, it

A) moves along a straight-line path in its original direction.

A) moves along a straight-line path away from the center of the circle.

A) moves along a straight-line path toward the center of the circle.

A) continues to follow a circular path, but with a radius larger than the original radius.

Why do objects experience centripetal acceleration?

Because they are constantly changing direction and the net change is directed inward

Because they are speeding up as they move in a circle

Because they are constantly changing both speed and direction

Because when you have 100 people pedaling, you can speed up more easily.

Uniform Circular Motion Concepts

Authored by Jeffrey Scott

Physics

9th - 12th Grade

NGSS covered

Used 201+ times

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27 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Centripetal force, created by swinging something in a circle, acts in a direction--

along the path of motion

away from the center of the circle

toward the center of the circle

tangent to the circle

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diagram shows an object moving counterclockwise around a horizontal, circular track. Which diagram below represents the direction of both the object's velocity and the centripetal force acting on the object when it is in the position shown?

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As the car goes around the curve, the centripetal force is directed--

toward the center of the circular curve

away from the center of the circular curve

tangent to the curve in the direction of motion

tangent to the curve opposite the direction of motion

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement correctly describes the direction of the cart's velocity and centripetal force in the position shown?

Velocity is directed toward point B, and the centripetal force is directed toward point A

Velocity is directed toward point B, and the centripetal force is directed toward point D

Velocity is directed toward point C, and the centripetal force is directed toward point A

Velocity is directed toward point C, and the centripetal force is directed toward point D

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At point P, he car hits an area of ice and loses all frictional force on it tires. Which path does the car follow on the ice?

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A curved groove is place on the top of a level table as shown in the diagram. A ball is pushed in the groove at P so that it leaves at Q. Which picture shows how the ball will move when it leaves the groove at Q?

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

At the instant shown in the diagram, the car's centripetal acceleration is directed-

toward E

toward N

toward W

clockwise

Tags

NGSS.HS-PS2-1

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Uniform Circular Motion Concepts

Centripetal force, created by swinging something in a circle, acts in a direction--

The diagram shows an object moving counterclockwise around a horizontal, circular track. Which diagram below represents the direction of both the object's velocity and the centripetal force acting on the object when it is in the position shown?

As the car goes around the curve, the centripetal force is directed--

Which statement correctly describes the direction of the cart's velocity and centripetal force in the position shown?

At point P, he car hits an area of ice and loses all frictional force on it tires. Which path does the car follow on the ice?

A curved groove is place on the top of a level table as shown in the diagram. A ball is pushed in the groove at P so that it leaves at Q. Which picture shows how the ball will move when it leaves the groove at Q?

At the instant shown in the diagram, the car's centripetal acceleration is directed-

At the position shown in the diagram, which arrow indicates the direction of the centripetal acceleration of the cart?

At the position shown in the diagram, which arrow indicates the direction the instantaneous velocity of the cart?

Which represents the acceleration of the ball?

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