Vector and scalar quantities




Force is a push or a pull. Force is therefore that which changes a body’s state of motion or shape.

The SI unit for force is Newton (N). It is a vector quantity. It is represented by the following symbol.

Types of forces

Gravitational force–this is the force of attraction between two bodies of given masses.

– Earth’s gravitational force is the force which pulls a body towards its center. This pull of gravity is called weight.