Uniform Circular 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

A 10kg car travels at a constant speed of 20.0 m/s around a horizontal circular track. Which diagram correctly represent the direction of the car's velocity (v) and the direction of the centripetal force (Fc) acting on the car at a particular moment?

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Tags

NGSS.HS-PS2-1

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

• Period

• Frequency 

• Angular velocity

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NGSS.HS-PS4-1

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

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NGSS.HS-ESS1-4

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

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 is the centripetal acceleration formula?

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Tags

NGSS.HS-PS2-1

If a yoyo is spinning around on a 0.9 m string and 1 revolution takes 0.6 s what is the velocity of the yoyo?

• 9.4 m/s

• 4.2 m/s

• 4.7 m/s

• 2.1 m/s

Tags

NGSS.MS-PS3-1

What force keeps the yoyo spinning in a circle?

• Friction

• Tension

• Gravitational

• Applied

Tags

NGSS.HS-PS2-1

If a yoyo has a mass of 0.5 kg on a string that is 0.6 m long, and is moving at a velocity of 9.42 m/s what is the centripetal acceleration?

• 147.9 m/s

• 177.5 m/s

• 0.5 m/s

• 0.72 m/s

Tags

NGSS.HS-PS2-1