ADNAN MUHAMMED

Grade 12,

various constants ,like Gravitational constant, has got dimensional formula. why is it that in an equation we always take constants as dimensionless for eg-in the equation K.E=1/2mv[2], while finding dimension of K.E, we take 1/2[k] as dimensionless?

various constants ,like Gravitational constant, has got dimensional formula. why is it that in an equation we always take constants as dimensionless for eg-in the equation  K.E=1/2mv[2], while finding dimension of K.E, we take 1/2[k] as dimensionless?

Grade:11

2 Answers

Akash Kumar Dutta
98 Points
11 years ago

all types of constants can be added but all types of units cant,
infact any two different units cant be added.
as a result the constant are considered dimensionless since then only they can be added altogether.

tejas naresh patel
40 Points
11 years ago

 all units cannot be added 

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