Forces can affect the speed, direction and shape of objects. The unit of force is newton symbol N and measured using a newton meter.
- push and pull
- air resistance
Forces are known as vector quantities which means they need size and direction. They can be represented by an arrow.
arrow head shows direction and length of line shows size
Resultant forces are the overall force and they are found by adding or subtracting the forces along the line.
Scalar and Vector quantities
Vector quantities have both size (magnitude) and direction whereas scalar quantities only…