Force & Pressure

1. Types of forces

1.1. Frictional Force

1.2. Gravitational Force

1.3. Magnetic Force

2. Unit (Force)

2.1. S1 unit: Newton (N)

3. Effects of a force

3.1. Slow down the speed of object

3.2. A stationary object to move

3.3. Speed up the object's speed

3.4. Change the direction the object is moving in

3.5. Change the shape of an object

3.6. Stop an object from moving

4. A force is....

4.1. Force is a push or a pull.

5. Ways to increase pressure

5.1. You can push a drawing pin into a piece of wood- but you cannot push your finger into the wood even if you exert a larger force. Decrease the surface area of object.

6. Pressure is ...

6.1. The amount of force that presses on a certain area

7. Unit (Pressure)

7.1. S1 unit: Pascal (PA) Other units: N/m2 N/cm2

8. Formula for calculating Pressure

8.1. Force / Area

9. Ways to decrease pressure

9.1. Increase the surface area of object