Question

Write down the unit of G in the S.I unit.

Answer 1

Answer:

Nm2 / kg2

Explanation:

We know that g= GM / r2

Also, SI unit of ---> g= m/s2 , M=kg , r=m

⇒ SI unit of G=(m/s2)(m)2 /kg=

[(kg)(m/s 2)](m)2 /kg 2 =Nm2 / kg 2