Angular Displacement/ Velocity/ Motion

A grindstone spinning at the rate of 8.3 rev/s has what approximate angular speed?

• 3.2 rad/s
• 26 rad/s
• 52 rad/s
• 81 rad/s

Tags

CCSS.HSF.TF.A.1

There are 2π ___________ in one revolution of a circle.

• Gradiens

• Radians

• Degrees

• None of the Above

There are 360 ___________ in one revolution of a circle.

• Gradiens

• Radians

• Degrees

• None of the Above

As an object rotates, the change in the angle is called _______ ____ and represented by ________

• angular displacement AND s

• angular displacement AND θ

• rotational displacement AND θ

• rotational displacement AND s

The angular velocity is represented by the Greek letter ____.

• ω

• θ

• α

• σ

The angular acceleration is represented by the Greek letter ____.

• ω

• θ

• α

• σ

To convert between revolutions and radians you must _________.

• Multiple the number of revolutions by 2π

• Divide the number of revolutions by 2π

• Divide 2π by the number of revolutions

• None of the above

What is the unit for angular acceleration

• radians

• rad s^-1

• rad s^-2

• degrees

What is the unit for angular velocity?

• rad

• rad s^-1

• rad s^-2

• degrees per minute

The rotational equivalent to x (displacement), v (velocity) and a (acceleration) are?

• m, m/s, m/s²

• θ, ω, α

• x, x/t, α

• μ, Σ, τ