Rotational Motion Practice 1

Categorize something that is measured in degrees or radians

• Linear Distance

• Angular Displacement

• Linear Speed

• Angular Speed

360 degrees in radians is

• 3.14

What is angular velocity

• the rate of angular displacement of an object

• the resistance of an object to change its current state

• the amount of angular motion of an object

What are the units for angular velocity

• m/s2

• rad/s

• kgm/s

• kg/m2

What are the units for angular displacement.

• m/s

• kgm2/s

• radians

• rad/s

• angular velocity
  

• angular acceleration

• rotational inertia 

A gear spins at a rate of 400 revolutions/minute. Which choice is closest to its angular speed in radians/second?

• 6.67 rad/s

• 2500 rad/s

• 41.9 rad/s

• 20.9 rad/s

Four rotations per minute is a measurement of ________

• angular velocity

• angular acceleration

• time period

• angular displacement