Learn Everything at One Place !

Let the disturbing mass be 100 kg and the radius of rotation be...

Q.  
Let the disturbing mass be 100 kg and the radius of rotation be 20 cm and the rotation speed be 50 rad/sec then calculate the centrifugal force in kN.


Answer & Explanation

The centrifugal force is given by,
Fc=mrω2
Fc=100*0.2*(50)2
Fc=50000 N i.e. 50kN.

Thus correct option is: B.

Similar Questions

Start Discussion :




Comments :
More Questions Dynamics of Machinery:

Q.  
If damping factor is 0.5 and ratio of working frequency to natural frequency is 1.5. Amplitude of system is given by 50 mm find the sine wave of the profile.

A. 5.4 mm

B. 54 mm

C. 5.4 m

D. 54 m


Answer & Explanation

Q.  
The road profile is approximated with a sine wave of 40mm and ratio of working frequency to natural frequency is given by 2.25. Find the amplitude of the system when damping factor is 0.2.

A. 12.93 m

B. 12.93 mm

C. 1.293 m

D. 1.293 mm


Answer & Explanation

Q.  
Pre-amplifier, attenuator, amplifier, filter and rectifier are various elements of

A. Sound level meter

B. Sound frequency analyser

C. Recorders

D. Microphone


Answer & Explanation

Q.  
When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

A. free vibration

B. forced vibration

C. damped vibration

D. None of the above


Answer & Explanation
(Click here) Practice More Questions/MCQ on Dynamics of Machinery