Centripetal Force

Which of the following terms means "center seeking"?

• centrifugal

• centrifuge

• centripetal

• centenarian

What effect will the following changes have on the centripetal force acting on an object? b) the speed is increased by a factor of 2.

What effect will the following changes have on the centripetal force acting on an object? (c) the radius decreased by a factor of 4

What effect will the following changes have on the centripetal force acting on an object?(a) the mass is quadrupled

Tags

NGSS.HS-PS2-1

Centripetal force is...

• the inward force acting on a body moving at constant speed in a circle

• the outwards force acting on a body moving at constant speed in a circle

Calculate the centripetal force required to make a 5 kg ball move 4 m/s in a circle with a radius of 2 m.

• 10 N

• 20 N

• 30 N

• 40  N

Tags

NGSS.HS-PS2-1

What is centripetal force?

• A force in linear motion that acts parallel to the direction of motion

• A force in circular motion that acts perpendicular to the direction of motion toward the center of the circle

• A force that two objects apply to each other

• A measure of how hard it is to stop a moving object

A horse gallops around a circular arena.  The centripetal force on the horse is ___.

• directed outward

• tension

• directed toward the center of the arena

• 9.8 N

moving or tending to move toward a center...

• centripetal force

• centrifugal force

• Tangent

• Curvature

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

In uniform circular motion, what direction does the centripetal force act in relation to the center of the circle?

• Tangential to the circle

• Away from the center

• Towards the center

• Perpendicular to the radius