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Question

What is the dimensional formula for g

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Solution

Dear student it is very easy to understand .
There is g and G in physics

g represents accelaration due to gravity
G represents gravitional constant
Dimensional formula for g is LT^(-2)
For gravitional constant G,dimensional formula is
M^(-1)L^(3)T^(-2)
as mentioned above is correct.
Your doubt is where did MLT^(-2) came,
It is the dimensional formula of force
Force =mass×accelaration
That is=M×LT(-2).
above mentioned dimensional formulas are correct


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