Trick To Remember or Learn The Formulas Of Center Of Mass (COM) Of Various Figure.i.e Solid Sphere,Semi Ring,Solid Cone etc.

Trick To Remember or Learn The Formulas Of Center Of Mass (COM) Of Various Figure.i.e Solid Sphere,Semi Ring,Solid Cone etc.

 

  • It is a Very UseFull Trick For Those Students Who Studying In Class 11th And 12th And Also Those Students Who Studying For Competeive Exams.Ex- Jee/Neet/Others Govt.Exams.

To understand the trick, keep pen and paper with you and write step wise.

 

Follow the steps given below:-

Step(1):First of all, you have to gap these 6 alphabets(C,T,H,R,S,D) and write them in a line.

how to write cthrsd

To Remember Alphabets Use the Statement---(Cinema Time Hrithick Roshan Shri Devi).

remebrectr

Alphabets Stands For :-

C- Cone(Solid)

T- Triangular Plate

H- Hollow (HemiSphere)

R- Ring(Semi)

S- Solid(HemiShere)

D- Disk(Semi)

 

Step(2): In This Step You have to Be Write Divide Symbol Below The Each Alphabets By Placing Gap.

dividesymbol

Step(3): From (R) Alphabet Write 2,3,4 In The Numerator.

234 placing

Step(4): From (C) Alphabet Write 4,3,2 In The Denominator.

432 placing

Step(5):Write (H) Alphabet In First Two in Numerator.Where H Stands For Height.

hh placing

Step(6):Write (R) Alphabet In Rest Of First Two in Numerator.Where R Stands For Radius.

rr placing

Step(7): Finally Write In The Rest Of the Denominator π,8,3π.

piplacing

Below each alphabet you will get the center of mass formula for the figure related to that alphabet.

 

final

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