Question

What is the dimension of g and G?

Answer 1

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Answer 2

The dimensions assigned to the gravitational constant are force times length squared divided by mass squared; this is equivalent to length cubed, divided by mass and by time squared: In SI base units, this amounts to meters cubed per kilogram per second squared: In cgs, G can be written as G ≈6.674×10−8 cm3⋅g−1⋅s−2