Circular Motion and Centripetal Force

When an object is in circular motion what type of acceleration is occurs?

• Constant
• Directional
• Positive
• Negative

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

• True
• False

Tags

NGSS.HS-PS2-1

As the moon orbits the earth, what keeps the moon moving in a circular motion?

• Gravity
• Inertia
• Centripetal Force
• Friction

You swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?

• Friction
• Centripetal Force
• Gravity
• Inertia

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

This picture was taken form the International Space Station.  Gravity keeps the space station in orbit.

• True
• False

As this ride starts to spin in a circular motion the swings move outward.  What is the cause of this outward motion

• Gravity
• Centripetal Force
• Speed
• Inertia

Inertia is always tangent to the centripetal force.

• True
• False

Which of the following would decrease the speed of an object in circular motion?

• Decrease the radius
• Increase the Friciton
• Use an embankment or ramp
• Decrease the Friciton

If centripetal force stopped acting on all satellites they would continue traveling in space in a constant direction and constant speed.

• True
• False

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-2