Physics Circular Motion

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-ESS1-4

What is the direction of the velocity at point B, if the ball is revolving clockwise?

• up

• right

• down

• left

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

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

Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?

• 0.25 ms^-2

• 0.5 ms^-2

• 1 ms^-2

• 2 ms^-2

Tags

NGSS.HS-PS2-1

Centrifugal force is a ______

• force that pushes you to the outside of a circle during uniform circular motion.

• fictitious force that is really just the linear momentum of an object in uniform circular motion.  

• The force that keeps the planets in orbit

What's the centripetal acceleration of an object traveling 2 m/s around a circle of diameter 1 m?

• 4 m/s²

• 8 m/s²

• 10 m/s²

• 16 m/s²

What is the velocity formula for uniform circular motion?

• 
• 
• 
• 

Centripetal acceleration is ...

• Acceleration toward the center of a curved or circular path

• Acceleration toward the outside of a circle

• Vertical motion instead of horizontal motion

A toy car is following a circular path with a constant speed of v=3 m/s . If the radius of the circular path is 1 m, find The centripetal acceleration of the car

• 30 m/s²

• 3 m/s²

• 9 m/s²

• 6 m/s²

Tags

NGSS.HS-PS2-1