Machine Kinematics Multiple Choice Questions and Answers – Simple Pendulum

Questions

1 The acceleration of the particle moving with simple harmonic motion is inversely proportional to the displacement of the particle from the mean position.

A True

B False

View Answer

Answer: False

2 In order to double the period of a simple pendulum, the length of the string should be

A halved

B doubled

C quadrupled

D none of the mentioned

View Answer

Answer: quadrupled

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3 The equivalent length of simple pendulum depends upon the distance between the point of the suspension and the center of gravity.

A True

B False

View Answer

Answer: True

4 Which of the following statement is correct?

A The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation.

B The periodic time of a particle moving with simple harmonic motion is directly proportional to its angular velocity.

C The velocity of a particle moving with simple harmonic motion is zero at the mean position.

D The acceleration of the particle moving with simple harmonic motion is maximum at the mean position.

View Answer

Answer: The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation.

5 The periodic time of a compound pendulum is …….. when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity.

A zero

B minimum

C maximum

D none of the mentioned

View Answer

Answer: minimum

6 In a simple harmonic motion, the velocity vector with respect to displacement vector

A is in phase

B leads by 90°

C leads by 180°

D lags by 90°

View Answer

Answer: lags by 90°

7 The distance between the center of suspension and center of percussion is equal to the equivalent length of a simple pendulum.

A True

B False

View Answer

Answer: True

8 The center of suspension and center of percussion are not interchangeable.

A True

B False

View Answer

Answer: False

9 When the body is suspended at the point of suspension, its periodic time and frequency will be _____________ as compared to the body suspended at the point of percussion.

A same

B two times

C four times

D eight times

View Answer

Answer: same

10 Bifilar suspension method is used to find the

A angular acceleration of the body

B moment of inertia of the body

C periodic time of the body

D frequency of vibration of the body

View Answer

Answer: moment of inertia of the body

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