Choose the correct options for the following questions.
Angular speed for the daily rotation of Earth in radian per hour is:
Difficulty: Easy
A:
$\pi$
B:
$4 \pi$
C:
$\frac{\pi}{12}$
D:
None
A wheel of diameter 100 cm makes 0.5 rev $sec^{-1}. The linear speed of a particle on its rim is:
Difficulty: Easy
A:
$\pi (m sec^{-1})$
B:
$0.5 \pi (m sec^{-1})$
C:
$50 \pi (m sec^{-1})$
D:
None
In rotational motion, angular of force F is called:
Difficulty: Easy
A:
Couple
B:
Torque
C:
Mass
D:
Moment of inertia
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