Circular Motion

Circular Motion TY

Multiple Choice

How does the gravitational force the Earth exerts on the sun compare to the gravitational force the sun exerts on the Earth?

• The gravitational force the sun exerts on the Earth is larger

• The gravitational force the Earth exerts on the sun is larger

• Their gravitational forces are equal

• There is not enough information

Multiple Choice

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

Multiple Choice

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

Multiple Choice

Which bucket has more inertia?

• The bucket on the left because it has less mass

• The bucket on the right because it has more mass

• They have the same inertia

• The bucket on the right because it has less mass

Multiple Choice

moving or tending to move toward a center...

• centripetal force

• centrifugal force

• Tangent

• Curvature