Uniform Circular Motion

If a runner with a mass of 70 kg is running 50 m on the curve of a track at a speed of 14.3 m/s, what is the runners centripetal acceleration?

• 4.1 m/s2

• 6.6 m/s2

• 0.3 m/s2

• 174.8 m/s2

Tags

NGSS.HS-PS2-1

If a runner with a mass of 70 kg is running 50 m on the curve of a track at a speed of 14.3 m/s, what is the runners centripetal force?

• 286.3 N

• 20.0 N

• 244.7 N

• 347.6 N

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-3

Which direction would the vector arrow for velocity be pointing

• Up

• Down

• Left

• Right

Tags

NGSS.HS-ESS1-4

Which direction would the Centripetal acceleration vector arrow be pointing

• Up

• Down

• Left

• Right

Tags

NGSS.HS-PS2-1

Which direction would the Centripetal force vector arrow be pointing

• Up

• Down

• Left

• Right

If a yoyo on a string makes 12 revolutions in 4 seconds what is the period of its motion?

• 3 s

• 0.25 s

• 16 s

• 0. 0.3 s

What force is keeping the runner moving on the curve of the track?

• Friction

• Tension

• Gravitational

• Applied

Tags

NGSS.HS-PS2-1

Identify the gravitational force of the diagram

• 2/3 F

• 6F

• 2F

• 1/3 F

Tags

NGSS.HS-PS2-4

A particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration a and velocity v of the particle at one instant of time?

• A

• B

• C

• D

An object is moving with uniform speed in a horizontal, counterclockwise circle. At location D, which way does the centripetal force vector point?

• Left

• Right

• Up

• Down

Tags

NGSS.HS-PS2-1