### Short Answer

## 6.1 Angle of Rotation and Angular Velocity

What is the rotational analog of linear velocity?

- Angular displacement
- Angular velocity
- Angular acceleration
- Angular momentum

What is the rotational analog of distance?

- Rotational angle
- Torque
- Angular velocity
- Angular momentum

## 6.2 Uniform Circular Motion

What type of quantity is centripetal acceleration?

- Scalar quantity; centripetal acceleration has magnitude only but no direction
- Scalar quantity; centripetal acceleration has magnitude as well as direction
- Vector quantity; centripetal acceleration has magnitude only but no direction
- Vector quantity; centripetal acceleration has magnitude as well as direction

What are the standard units for centripetal force?

- m
- m/s
- m/s
^{2} - newtons

## 6.3 Rotational Motion

The relationships between which variables are described by the kinematics of rotational motion?

- The kinematics of rotational motion describes the relationships between rotation angle, angular velocity, and angular acceleration.
- The kinematics of rotational motion describes the relationships between rotation angle, angular velocity, angular acceleration, and angular momentum.
- The kinematics of rotational motion describes the relationships between rotation angle, angular velocity, angular acceleration, and time.
- The kinematics of rotational motion describes the relationships between rotation angle, angular velocity, angular acceleration, torque, and time.

What kind of quantity is torque?

- Scalar
- Vector
- Dimensionless
- Fundamental quantity