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List all the forces acting on: (a) the pulley A (b) the boy (c
Concepts of Physics by H. C. Verma
Concepts of Physics

Class 11

HC Verma Part I

Author:
H. C. Verma
Subject:
Physics
1

Chapter 1: Introduction to Physics

35 questions

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2

Chapter 2: Physics and Mathematics

60 questions

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3

Chapter 3: Rest and Motion: Kinematics

88 questions

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4

Chapter 4: The Forces

33 questions

Q1
List all the forces acting on the block B in figure.
Q2
List all the forces acting on:
(a) the pulley A
(b) the boy
(c) the block C. 
Q3
Figure shows a boy pulling a wagon on a road. List as many forces as you can which are relevant with this figure. Find the pairs of forces connected by Newton's third law of motion.
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5

Chapter 5: Newton's Law of Motion

82 questions

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6

Chapter 6: Friction

57 questions

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7

Chapter 7: Circular Motion

63 questions

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8

Chapter 8: Work and Energy

101 questions

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9

Chapter 9: Centre of Mass, Linear momentum Collision

119 questions

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10

Chapter 10: Rotational Mechanics

149 questions

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11

Chapter 11: Gravitation

80 questions

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12

Chapter 12: Simple Harmonic Motion

111 questions

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13

Chapter 13: Fluid Mechanics

81 questions

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14

Chapter 14: Some Mechanical Properties of Matter

87 questions

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15

Chapter 15: Wave Motion and Waves on a String

96 questions

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16

Chapter 16: Sound Waves

118 questions

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17

Chapter 17: Light Waves

79 questions

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18

Chapter 18: Geometrical optics

123 questions

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19

Chapter 19: Optical Instruments

52 questions

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20

Chapter 20: Dispersion and Spectra

27 questions

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21

Chapter 21: Speed of Light

14 questions

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22

Chapter 22: Photometry

38 questions

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Question
Easy
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Solving time: 2 mins

List all the forces acting on:
(a) the pulley A
(b) the boy
(c) the block C. 
The concept of force

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Book:

Concepts of Physics (HC Verma Part I)

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List all the forces acting on:
(a) the pulley A
(b) the boy
(c) the block C. 
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Text SolutionText solutionverified iconVerified

Forces acting on the pulley A : 
(1) A tension exerts electromagnetic force between the string and pulley A.
(2) A pair of gravitational force between the Earth and pulley.

Forces acting on the boy :
(1) A tension exerts electromagnetic force between the string and the boy.
(2) A pair of gravitational force between the Earth and the boy.

Forces acting on the block C :
(1) A tension exerts electromagnetic force between the string and block C.
(2) A pair gravitational force between block C and the Earth.
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Practice questions from Concepts of Physics (HC Verma Part I)

Question 1
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A person standing on the floor of an elevator drops a coin. The coin reaches the floor of the elevator in time t  if the elevator is stationary and in time t  if it is moving uniformly. Then:
  1. t = t
  2. t < t
  3. t > t
  4. or depending on whether the lift is going up or down.
Topic

Topic:

Laws of motion

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Book:

Concepts of Physics (HC Verma Part I)

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Question 2
Hard
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A block is kept on the floor of an elevator at rest. The elevator starts descending with an acceleration of 12 m/s. Find the displacement of the block during the first 0.2 s after the start. Take g = 10 m/s.
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Topic:

Laws of motion

Book

Book:

Concepts of Physics (HC Verma Part I)

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Question 3
Easy
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Car moving at 40 km/hr is to be stopped by applying brakes in the next 4 m. If the car weighs 2000 kg, what average force must be applied to stop it?
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Concepts of Physics (HC Verma Part I)

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Question 4
Hard
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Calculate the tension in the string shown in the following figure. The pulley and the string are light and all the surfaces are frictionless. Take g = 10 m/s .
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Concepts of Physics (HC Verma Part I)

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Question Text
List all the forces acting on:
(a) the pulley A
(b) the boy
(c) the block C. 
TopicLaws of motion
SubjectPhysics
ClassClass 11
Answer TypeText solution:1
Upvotes256