Physics Unit 5 (Rotational Motion) Test Review

There are 400 ___________ in one revolution of a circle.

• Gradiens

• Radians

• Degrees

• None of the Above

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 linear velocity and angular velocity you used ___________.

• r =vω

• ω = vr

• ω=r/v

• v =rω

The relationship between angular acceleration and linear acceleration is _________

• α = a/r

• a = α/r

• α =ar

• a = αr

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

The frequency of an object is ________.

• the number of complete revolutions made by an object in 1 s.

• the time it takes for one revolution of an object.

• Neither of the other answers

• Both of the other answers

Tags

NGSS.HS-PS4-1