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Concepts of Physics
Class 11
HC Verma Part I
1
Chapter 1: Introduction to Physics
35 questions
2
Chapter 2: Physics and Mathematics
60 questions
3
Chapter 3: Rest and Motion: Kinematics
88 questions
4
Chapter 4: The Forces
33 questions
5
Chapter 5: Newton's Law of Motion
82 questions
6
Chapter 6: Friction
57 questions
7
Chapter 7: Circular Motion
63 questions
Q1
After a good meal at a party you wash your hands and find that you have forgotten to bring your handkerchief. You shake your hand vigorously to remove the water as much as you can. Why is water removed in this process?
Q2
A smooth block loosely fits in a circular tube placed on a horizontal surface. The block moves in a uniform circular motion along the tube. Which wall (inner or outer) will exert a nonzero normal contact force on the block?
Q3
Consider the circular motion of the earth around the sun. Which of the following statements is more appropriate ?(a) Gravitational attraction of the sun on the earth is equal to the centripetal force.(b) Gravitational attraction of the sun on the earth is the centripetal force.
View all question8
Chapter 8: Work and Energy
101 questions
9
Chapter 9: Centre of Mass, Linear momentum Collision
119 questions
10
Chapter 10: Rotational Mechanics
149 questions
11
Chapter 11: Gravitation
80 questions
12
Chapter 12: Simple Harmonic Motion
111 questions
13
Chapter 13: Fluid Mechanics
81 questions
14
Chapter 14: Some Mechanical Properties of Matter
87 questions
15
Chapter 15: Wave Motion and Waves on a String
96 questions
16
Chapter 16: Sound Waves
118 questions
17
Chapter 17: Light Waves
79 questions
18
Chapter 18: Geometrical optics
123 questions
19
Chapter 19: Optical Instruments
52 questions
20
Chapter 20: Dispersion and Spectra
27 questions
21
Chapter 21: Speed of Light
14 questions
22
Chapter 22: Photometry
38 questions
Question
Easy
Solving time: 2 mins
A smooth block loosely fits in a circular tube placed on a horizontal surface. The block moves in a uniform circular motion along the tube. Which wall (inner or outer) will exert a nonzero normal contact force on the block?
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Text solution
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The outer wall will exert a non-zero normal contact force on the block. As the block moves in a uniform circular motion, centrifugal force in radially outward direction acts on it and it comes in contact with the outer wall of the tube.
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| Question Text | A smooth block loosely fits in a circular tube placed on a horizontal surface. The block moves in a uniform circular motion along the tube. Which wall (inner or outer) will exert a nonzero normal contact force on the block? |
| Topic | System of Particles and Rotational Motion |
| Subject | Physics |
| Class | Class 11 |
| Answer Type | Text solution:1 |
| Upvotes | 78 |
