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Kinematics of Rotational Motion
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| Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
|---|---|---|---|---|---|---|
| 7.1 | Kinematics of Rotational Motion |
Kinematics of Rotational Motion Revision Questions
1) The rotor of an engine having a radius of 21 cm rotates unformly at 300 rot/min. Calculate the distance travelled by rotor's peripheral points during 10 s. Take π = 22/7.
- 6600 m
- 66 m
- 1.32 m
- 0.66 m
Correct Answer: B
2) The blade of a helicopter rotating at 720 rot/min stops moving in 15 s after it lands and the pilot turns the engine off. What is the angular displacement of any blade's point during this process?
- 90 rad
- 90 π rad
- 360 rad
- 48 rad
Correct Answer: A
3) A boy turns uniformly around his head a 1.6 m rope at whose edge he has attached a stone. The stone makes 24 rotations in a minute.
What is the value of centripetal acceleration of the stone during this process? Take π = 3.14.
- 1.64 m/s2
- 1.024 m/s2
- 10.1 π m/s2
- 10.1 m/s2
Correct Answer: D
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- Practice Questions Feedback. Helps other - Leave a rating for this practice questions (see below)
- Rotation Physics tutorial: Kinematics of Rotational Motion. Read the Kinematics of Rotational Motion physics tutorial and build your physics knowledge of Rotation
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- Check your calculations for Rotation questions with our excellent Rotation calculators which contain full equations and calculations clearly displayed line by line. See the Rotation Calculators by iCalculator™ below.
- Continuing learning rotation - read our next physics tutorial: Dynamics of Rotational Motion
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