Centripetal Force Quiz

What is the centripetal force responsible for?

• Pushing an object away from the center of a circle

• Keeping an object moving in a straight line

• Keeping an object moving in a circular path

• Increasing the speed of an object

• Don’t know

Which formula represents centripetal force?

• Fc=mv²/r

• Fc=mr²

• Fc=r²m

• Fc=mv²

• Don’t know

In a car turning around a corner, what provides the centripetal force?

• The car’s engine

• Friction between the tires and the road

• The car’s weight

• The steering wheel

• Don’t know

What happens to the centripetal force if the speed of an object is doubled?

• It decreases by half

• It stays the same

• It doubles

• It quadruples

• Don’t know

What is torque?

• The rotational equivalent of force

• A force that pushes objects outward

• The energy required to rotate an object

• The rate of change of velocity

• Don’t know

Which formula represents torque?

• τ=r×v

• τ=r×F

• τ=Fr^2

• τ=vr

• Don’t know

A force of 100 N is applied to a door 0.5 m from the hinge. What is the torque?

• 50 Nm

• 100 Nm

• 200 Nm

• 500 Nm

• Don’t know

If you increase the distance from the axis of rotation, how does it affect the torque for the same force?

• Torque decreases

• Torque stays the same

• Torque increases

• Torque is unrelated to distance

• Don’t know

What is angular velocity?

• The rate of change of speed

• The rate of change of angular displacement

• The distance traveled in a circle

• The speed of an object in a straight line

• Don't Know

Which formula represents angular velocity?

• v = r × ω

• ω = v/r

• ω = θ/t

• ω = 2πr

• Don’t know