Circular Motion

Circular Motion

Multiple Choice

the tendency of an object to resist a change in its motion

• acceleration

• inertia

• mass

• frame of reference

Multiple Choice

Assuming Andromeda rotates at a uniform rate, which stars are moving the fastest?

• Stars closest to center
• Stars furthest from the center
• Stars with the hottest temperature
• Stars with the coldest temperature

Multiple Choice

Decreasing the radius when making a turn allows you to____?

• Increase your friction
• Keep a high speed
• Change your inertia
• Decrease gravitational pull

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

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

• Period
• Frequency 
• Angular velocity

Multiple Choice

Which of the following is the unit for centripetal force?

• J
• m/s²
• kg⋅m/s
• N

Multiple Choice

What's the centripetal acceleration of an object traveling 2.3 m/s around a circle of diameter 0.6 m?

• 5 m/s²

• 17.63 m/s²

• 10 m/s²

• 8.81 m/s²

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

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

• outwards
• towards the center
• tangent
• faster

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

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

• A
• B
• C
• D

Multiple Choice

Which represents the acceleration of the ball?

• A
• B
• C
• D