Question

The force of a freely falling body is directly proportional to :

• A. mass of the body
• B. acceleration of the body
• C. velocity of body
• D. both (a) and (b)

Answer 1

The correct option is D

both (a) and (b)

1. When an object starts falling freely it means there is only one force acting on it and that is the gravitational force.
2. The magnitude of that gravitational force is nothing but its weight. i.e. $F=Mg$
3. Where $M$ is the mass of an object and $g$ is the acceleration due to gravity.

So, force is directly proportional to mass and acceleration.

Hence option (d) is correct.