Circular Motion

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 center of the circle

Tags

NGSS.HS-PS2-1

In uniform circular motion, the magnitude of the _______________________of an object is constant but the __________ is continually changing.

• speed, acceleration

• speed, direction

• acceleration, speed

• acceleration, velocity

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

• outwards
• towards the center
• tangent
• faster

Centripetal acceleration always points

• in the direction of the object's motion
• in the opposite direction of the object's motion
• towards the center of the circle
• towards the outside of the circle

Tags

NGSS.HS-PS2-1

The time taken for one complete circuit is called the... 

• Period
• Frequency 
• Angular velocity

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

• A
• B
• C
• D

Tags

NGSS.MS-PS3-1

Which represents the acceleration of the ball?

• A
• B
• C
• D

Tags

NGSS.HS-PS2-1

If an object is spinning around on a string and the string was suddenly cut, the object would move in a

• curved path

• straight line

Tags

NGSS.HS-PS2-1

Why does an object experiencing uniform circular motion have an acceleration?

• because it ir changing speed

• because it is changing direction

• because it is moving n a straight line

• because it has mass

Tags

NGSS.HS-PS2-1

The _______________________ supplies the centripetal force requirement for the car to move in a horizontal circle. Without it, the car would turn its wheels but would not move in a circle (as is the case on an icy surface).

• friction force

• centrifugal force

• normal force

• applied force

Tags

NGSS.HS-PS2-1