What affects the speed at which an object moves if it is traveling in a vertical circle?

• tension

• shape of the rod

• length of the string

• force of gravity

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What force keeps an object moving in a circle?

• centripetal force (inward)

• centrifugal force (outward)

What happens if you let go of the string when you spin the stopper around your head?

• the stopper continues moving in a circle

• the stopper moves in a straight line

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

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

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

A centripetal force acts ____________

• in the direction opposite tangential speed.

• perpendicular to tangential speed and toward the center.

• perpendicular to tangential speed and away from the center.

• in the same direction as tangential speed.

Tags

NGSS.HS-PS2-1

Where is the net force when the rollercoaster is at the top of the loop?

• Towards the sky

• Towards the Right

• Towards the left

• Towards the ground

Tags

NGSS.HS-PS2-1

What is the minimum speed required at the top of a vertical circle to maintain circular motion?

• A) Zero

• B) Equal to gravitational acceleration

• C) Greater than gravitational acceleration

• D) Equal to the square root of gravitational acceleration

Tags

NGSS.HS-PS2-1

In vertical circular motion, what is the direction of the net force at the top of the circle?

• A) Upward

• B) Downward

• C) Tangential

• D) Outward

Tags

NGSS.HS-PS2-1

Which of the following factors does NOT affect the tension in the string during vertical circular motion?

• A) Mass of the object

• B) Speed of the object

• C) Length of the string

• D) Color of the object

Tags

NGSS.HS-PS2-1

What is the role of gravity in vertical circular motion?

• A) It acts as the centripetal force

• B) It acts as the centrifugal force

• C) It acts as a tangential force

• D) It has no effect

Tags

NGSS.HS-PS2-4