Questions

Under what conditions is an object said to be in free fall?

What is free fall? Give two examples of it.

What is gravitational force?

Mathematically present the difference in the gravitational force between two objects when the mass of each is made double and the distance between them is made on fourth of their initial distance.

Write two effects of gravitational force.

Under what conditions is the value of gravitational force equal to gravitational constant (F=G)?

Define gravitational constant (G).

Write the nature of gravitational force.

State the Newton's universal law of gravitation.

What is gravity?