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Which among the following is the fundamental equation of S.H.M.?

Q.  
Which among the following is the fundamental equation of S.H.M.?


Answer & Explanation

Note that, 1st term must be acceleration i.e. double derivative of displacement x.

Thus correct option is: D.

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More Questions Dynamics of Machinery:

Q.  
Vibration control method aims to ______

A. increase the vibraaton level

B. eliminate the vibrations

C. keep the vibration level within the desirable limits

D. None of the above


Answer & Explanation

Q.  
In damped vibrations, the amplitude of the resulting vibration gradually reduces. This is due to the reason that an amount of energy is always dissipated to overcome the ______

A. Frictional resistance

B. Work done

C. Fluid pressure

D. Air pressure


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Q.  
A harmonic motion is

A. necessarily a periodic motion

B. as aperiodic

C. a motion described in a circle

D. none of these


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Q.  
Which of the following is a type of untuned vibration absorber?

A. Houdaille dampe

B. Torsional vibration absorber

C. Centrifugal pendulum absorber

D. All of the above


Answer & Explanation
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