Question

What is acceleration due to gravity? Derive an expression for the acceleration due to gravity on the earth

Answer 1

Answer:

Acceleration due to gravity is a vector, which means it has both a magnitude and a direction. The acceleration due to gravity at the surface of Earth is represented by the letter g. It has a standard value defined as 9.80665 m/s2 (32.1740 ft/s2).Anyway, since we already know that:

w=m×g (Newton's Second Law)

We know that w=GmEmR2E

Dividing the entire equation by m, we get:

wm=mgm

Which is equal to:

GmEmR2Em=g (Substituting the values)

And finally:

GmER2E=g

Answer 2

Answer:

The acceleration produced in the motion of a body falling under the force of gravity is called acceleration due to gravity.

It is denoted by g.

g = GM / r²