Force and pressure

1. FORCE

1.1. formula for force

1.1.1. mass x acceleration

1.2. How to measure force

1.2.1. using Spring balance

1.3. SI unit for force

1.3.1. Newton (n)

1.4. Effects of force: -

1.4.1. Increase and decrease the speed of an moving object

1.4.2. Stop a moving object

1.4.3. Move a stationary object

1.4.4. Change the shape or size of an object

1.4.5. Change direction of moving object

1.5. Type forces

1.5.1. frictional force

1.5.2. magnetic force

1.5.3. Gravitational force

1.6. What is force

1.6.1. Force is a push or pull exerted on an object

2. PRESSURE

2.1. What is pressure

2.1.1. Pressure is force per unit area

2.2. P= F/A

2.3. SI unit for force

2.3.1. Pascal(Pa)