Question

formula of gravitational acceleration and it's unit? ​

Answer 1

Its SI unit is m/s2. It has both magnitude and direction, hence, it's a vector quantity. Acceleration due to gravity is represented by g.

...

Acceleration Due to Gravity (g)

Symbol g

SI Unit ms-2

Formula g = GM/r2

Values of g in SI 9.806 ms-2.

Hope it will help you