Question

What is an expression for the force due to gravity on a body of mass $m$ ?

• A. $F=0$
• B. $F=m/g$
• C. $F=g$
• D. $F=mg$

Answer 1

The correct option is D $F=mg$

The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

This verbal statement can be expressed in equation form as follows:

$a=\frac{F}{m}$

put $a=g$; gravitational acceleration,

So,

$F=mg$