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Engineering
Mechanical
ME Set-1
Engineering Mechanics
80

Engineering Mechanics MCQ with Answers

80) In order to double the period of simple pendulum, the length of the spring should be

halved

doubled

quadrupled

none of these

Answer is:

quadrupled

Engineering Mechanics MCQ with Answers

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Related Engineering Mechanics MCQ with Answers

81) A pendulum which executes one beat per second is known as

simple pendulum

compound pendulum

torsional pendulum

second's pendulum

Answer is:

second's pendulum

Explanation:

A pendulum which executes one beat per second is known as second's pendulum.

82) When a rigid body is suspended vertically, and it oscillates with small amplitude under the action of the force of gravity, the body is known as

simple pendulum

compound pendulum

torsional pendulum

second's pendulum

Answer is:

compound pendulum

83) Which of the following statement is correct?

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

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

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

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

Answer is:

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

84) The motion of a wheel of a car is

purely translation

purely rotational

combined translation and rotational

none of these

Answer is:

combined translation and rotational

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