NEWTON’S LAW OF UNIVERSAL GRAVITATION

Question 1

Newton’s Law of Universal Gravitation

Answer 1

Every particle with mass in the universe attracts every other particle with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres.

Question 2

Gravitational field –

Answer 2

The force acting per unit mass.

Question 3

Weight

Answer 3

The gravitational force the earth exerts on any object on or near its surface.

Question 4

Mass

Answer 4

The amount of matter which an object consists of.