Rotational Motion

Front

The relation between linear velocity and angular velocity

Back

v = r⍵

Front

The unit of angular velocity is

Back

rad/s

Front

Centripetal acceleration is directed

Back

directed towards the center of the circle

Front

Expression for centripetal acceleration: a = v⍵, a = r⍵², a = v²/r

Back

All of the above

Front

1 rev/min is equal to

Back

2Π/60 rad/s

Front

The number of complete revolutions per second is: frequency, period, torque, rotational inertia

Back

frequency

Front

The time required for one complete revolution is:

Back

period

Front

What's the centripetal acceleration of an object traveling 2.3 m/s around a circle of diameter 0.6 m?

Back

17.63 m/s²

Front

A ball on a string is spun around in a circle. Which quantity is not constant? Options: mass, force, velocity, acceleration.

Back

velocity

Front

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

Back

52 rad/s