Simple Harmonic motion (S.H.M) find Time period with Short Trick..

 FIND TIME PERIOD IN S.H.M

Formula of Time period in general is

T=2π√m/k

Here:-

# m=total mass of the system

# k=is force constant

NOTE:- constant force does not alter the time period..

# IF total force is not constant then, use a Short TRICK to find the Total valu of force constant....

   K'= K(Tb/Ts)^2

Here:-

# k' =is total force constant

#Tb=is total Tension of block

#Ts=is totalTension in spring

Numerical:- On the basis of Non-constant force. Find time period.

Find the Time period of pully-based sum..

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