Mr. Zucca's Rotational Quizizz

Units for angular velocity

• radians
• rad/s
• rad/s/s
• m/s

This symbol represents

• angular displacement

• angular velocity

• angular acceleration

• angular momentum

How many radians make up one revolution of 360 degrees?

• π/2

• π

• 2π

• 3π/2

• about 6.28

Two bugs are on a rotating disk. Which statement is true about their respective angular velocities?

• The one closest to the radius point has a larger angular velocity.

• The one furthest to the radius point has a larger angular velocity.

• The one furthest to the radius point has a smaller angular velocity.

• they both have the same angular velocity.

Which has greater linear speed, a horse near the outside rail of a merry-go-round or a horse near the inside rail?

• the inside horse
• the outside horse
• Neither

Torque is the rotational analog of which of the following quantities?

• kinetic energy
• linear momentum
• force
• acceleration

A torque acting on an object tends to produce

• a center of gravity

• rotation

• linear motion

• equilibrium

• velocity

How do you get the maximum torque?

• longer lever arm and more force at an acute angle
• shorter lever arm with more force perpendicularly
• shorter lever arm and more force perpendicularly
• longer lever arm with more force perpendicularly

What happens to her angular velocity when a figure skater brings in her arms?

• Increases her angular velocity
• Decreases her angular velocity
• Has no affect

This symbol represents

• rotational inertia

• angular velocity

• angular acceleration

• angular momentum