UNIT 2: V. Rotational Kinematics

The SI unit of angular velocity is:​ (a)  

• rad/s
• degrees
• meters per second
• revolutions per minute

The angular displacement of a rotating object is measured in:​ (a)  

• Radians
• Degrees
• Meters
• Revolutions

Angular acceleration is the rate of change of:

The number of revolutions per second is a measure of:

In rotational motion, the moment of inertia is analogous to which linear quantity?

A wheel starts from rest and has an angular acceleration of 3 rad/s² for 2 s. Final angular velocity?​ (a)  

• 6 rad/s
• 1 rad/s
• 10 rad/s
• 4 rad/s

Tangential speed is proportional to which factor?​ ​ (a)  

• Distance from axis
• Time taken to complete a rotation
• Mass of the object
• Angle of rotation

The time taken for one complete rotation is known as the:
​ (a)  

• Period
• Frequency
• Duration
• Interval

Drag items into the experiment setup for measuring angular velocity: ​ ​ (a)   ​ (b)   ​ (c)   ​ (d)  

• Ruler
• Calculator
• Stopwatch
• Wheel
• Hammer
• Screwdriver
• Paintbrush

Tangential acceleration is caused by:

• a) Angular velocity

• b) Distance from axis

• c) Angular acceleration

• d) Moment of inertia