Gravity

Question 1

What is gravity?

Answer 1

Gravity is the force of attraction between two objects with mass.
It is a non-contact force.

Question 2

Relation between gravity and mass

Answer 2

The greater the masses of the objects, the greater the gravitational force of attraction between them.

Question 3

Relation between weight, mass and gravity

Answer 3

An object’s weight depends on its mass, and the strength of the gravitational field in its location.
Weight = mass x gravitational field strength

Question 4

Unit for weight

Answer 4

Newtons

Question 5

Unit for mass

Answer 5

Kilograms

Question 6

Unit for gravitational field strength

Answer 6

ms-2

Question 7

What is mass?

Answer 7

Measure of amount of matter in an object

Mass
Always
Stays the
Same

Question 8

What is weight?

Answer 8

Weight is a force, which has a direction

Depends on the gravitational field strength at the location of the object.

Question 9

How does gravity affects objects on the surface of the Earth

Answer 9

Gravity pulls all objects to Earth’s centre