Q3. A coin placed on a rotating table just slips when it is placed at a distance of 1 cm from the centre. If the angular velocity of the table is halved, it will just slip when placed at a distance of _____ from the centre: (1) 8 cm (2) 4 cm (3) 1 cm (4) 2 cm
What This Question Tests
This question tests the understanding of centripetal force provided by static friction in circular motion and how the maximum radius for no-slipping changes with angular velocity.
Concepts Tested
Formulas Used
F_c = mω²r
F_s_max = μ_s N
📚 NCERT Sections This Tests
4.12 — In Exercise 4.11 Obtain The Frequency Of Revolution Of The Electron In
Physics Class 11 · Chapter 4
4.12 In Exercise 4.11 obtain the frequency of revolution of the electron in its circular orbit. Does the answer depend on the speed of the electron? Explain.
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Physics Class 11 · Chapter 6
6.11 Dynamics of rotational the motion of extended bodies. motion about a fixed axis A large class of problems with extended bodies can be
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📋 Question Details
- Chapter
- Laws of Motion
- Topic
- Circular motion and friction
- Year
- 2023
- Shift
- 11 Apr Shift 1
- Q Number
- Q3
- Type
- MCQ
- NCERT Ref
- Class 11 Physics Ch 5: Laws of Motion
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