Force & Pressure
by LEE HEE JAE .

1. Pressure : is the force per unit area applied in a direction perpendicular to the surface of an object.
2. Elastic spring force
3. magnetic force
4. SI unit for Pressure : Pa = N/m2
5. to find pressure : force divide by area
5.1. New node
6. Force : push & pull
6.1. New node
7. Effects of a force
7.1. 1. Change the shape of an object
7.2. 2. Increase or decrease the speed of a moving object.
7.3. 3.Stop a motion
7.3.1. New node