Circular Motion

Which represents the acceleration of the ball?

• A
• B
• C
• D

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

• A
• B
• C
• D

Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?

• 9
• 18
• 72
• 144

Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were divided by 2?

• 9
• 18
• 72
• 144

Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s².

• 2.4 m/s
• 3.6 m/s
• 3.9 m/s
• 4.2 m/s

Calculate the mass of an object if it took 20 N to rotate it in a circle with a radius of 2 meters with a velocity of 4 m/s

• 4.1 kg
• 3.6 kg
• 2.5 kg
• 1.8 kg

You are moving a ball in a circle using 72 N of centripetal force. What would the force be if you doubled the radius of the circle.

• 18 N

• 36 N

• 72 N

• 144 N

Which bucket would take less force?

• 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 left because it has more mass

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

Bruno the bat has a mass of 0.58 kg and flies at a speed of 0.8 m/s in circle of radius 0.5 m. What is his acceleration?

• 0.25 m/s²

• 1.3 m/s²

• 1.6 m/s²

• 0.74 m/s²