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Dynamics of Rotational Motion
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| Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
|---|---|---|---|---|---|---|
| 7.2 | Dynamics of Rotational Motion |
Dynamics of Rotational Motion Revision Questions
1) What is the angular momentum of a 3 kg cylinder rotating at 2 rad/s around its central axis of symmetry as shown in the figure? Take the radius of cylinder R = 40 cm and its height h = 2 m.
- 0.24 kg × m2 / s
- 0.48 kg × m2 / s
- 0.96 kg × m2 / s
- 1.12 kg × m2 / s
Correct Answer: B
2) What is the mass of a 2 m bar rotating around its centre as shown in the figure if its rotational kinetic energy is 8 J and it rotates uniformly at 0.4 rad/s?
- 75 kg
- 100 kg
- 300 kg
- 1200 kg
Correct Answer: C
3) A 1.6 m bar rotates at 0.6 rot/s around its centre when a 20 N force is used horizontally as shown in the figure.
What is the power delivered by the source?
- 9.6 W
- 16 W
- 26.7 W
- 32 W
Correct Answer: A
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- Practice Questions Feedback. Helps other - Leave a rating for this practice questions (see below)
- Rotation Physics tutorial: Dynamics of Rotational Motion. Read the Dynamics of Rotational Motion physics tutorial and build your physics knowledge of Rotation
- Rotation Revision Notes: Dynamics of Rotational Motion. Print the notes so you can revise the key points covered in the physics tutorial for Dynamics of Rotational Motion
- 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: Centripetal Force
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