HC Verma - Concepts of Physics Part 1

Book: HC Verma - Concepts of Physics Part 1

Chapter: 12. Simple Harmonic Motion

Subject: Physics - Class 11th

Q. No. 6 of Objective II

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6

Which of the following quantities are always negative in a simple harmonic motion?



For the motion to be simple Harmonic, Force must be linearly proportional to the displacement.


F =-kx




(a). = Cosθ


Direction of Force and acceleration is always same. Therefore, it will always be positive.


(b).


Direction of Velocity and displacement is always same; thus it is also coming positive.


(c).


Force is opposite to displacement.


Dot product will become negative as for >90° ,is negative


So, this expression is negative


Again,


(d)


Force is opposite to displacement so it will also be negative.


Therefore, Option (c). and (d) are correct.

Chapter Exercises

Short Answer
Objective I
Objective II
Exercises

More Exercise Questions

1

Select the correct statements.
2

A particle moves in a circular path with a uniform speed. Its motion is
3

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4

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5

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6

Which of the following quantities are always negative in a simple harmonic motion?
7

Which of the following quantities are always positive in a simple harmonic motion?
8

Which of the following quantities are always zero in a simple harmonic motion?
9

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10

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11

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12

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13

In a simple harmonic motion
14

In a simple harmonic motion
15

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16

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