1.

On the arrangement shown in figure Pulleys are small light and springs are ideal K_1 , K_2 , K_3 and K_4 are force constant of the springs calculate period of small vertical oscillations of block of mass 'm'

Answer» <html><body><p><br/></p>Solution :If the <a href="https://interviewquestions.tuteehub.com/tag/block-18865" style="font-weight:bold;" target="_blank" title="Click to know more about BLOCK">BLOCK</a> is pulled down by a <a href="https://interviewquestions.tuteehub.com/tag/small-1212368" style="font-weight:bold;" target="_blank" title="Click to know more about SMALL">SMALL</a> displacement x and <a href="https://interviewquestions.tuteehub.com/tag/released-613817" style="font-weight:bold;" target="_blank" title="Click to know more about RELEASED">RELEASED</a> , extra tension provides restoring force<br/>Let T be the extra tension <br/>Then T = ma <br/> If `x_1 , x_2 , x_3 and x_4` are the extensions of springs. <br/>`2T = K_1 x_1 = K_2x_2 = K_3 x_3= K_4 x_4` <br/>`x=2(x_1 + x_2 + x_3+x_4)` <br/>`x= <a href="https://interviewquestions.tuteehub.com/tag/4t-319060" style="font-weight:bold;" target="_blank" title="Click to know more about 4T">4T</a> (1/(K_1) + 1/(K_2) + 1/(K_3) + 1/(K_4))` <br/>from T = ma <br/>`4m(1/(K_1) + 1/(K_2) + 1/(K_3) + 1/(K_4)) a= x , omega = <a href="https://interviewquestions.tuteehub.com/tag/sqrt-1223129" style="font-weight:bold;" target="_blank" title="Click to know more about SQRT">SQRT</a>(a/x) and T = (2pi)/(omega)`</body></html>


Discussion

No Comment Found