General Knowledge - Physics - Discussion

Discussion Forum : Physics - Section 1 (Q.No. 60)
60.
ML2T-2 is the dimensional formula for
moment of inertia
pressure
elasticity
couple acting on a body
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
14 comments Page 2 of 2.

Linda said:   1 decade ago
Why are those formulas so complicated?

Rishi said:   1 decade ago
Force =m*a
and couple= force*distance
units of force =m*l*t^-2
and couple= ml^2t^-2.

Asha Stephen said:   1 decade ago
Formula for Couple acting on body (T)=F*d
=Ma*d [F=M*a]
=M*dv/t*d [a==(vf-vi)/t)]
=M*(d/t/t)*d
=Md^2/t^2
=ML^2T^-2

Govind said:   1 decade ago
Please give some reasons.


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