Chapter 2-Force
by Rebecca Harman

1. Newton's Laws of Motion
1.1. Newton's 1st law
1.1.1. Inertia
1.2. Newton's 2nd law
1.2.1. Acceleration
1.3. Newtons 3rd Law
1.3.1. Interaction: Same magnitude, opposite direction
2. Measurement
2.1. Newton
2.1.1. 4.448N=1lb
3. Net Force
3.1. Equilibrium
3.1.1. Balance; Net force=0
3.2. Free Body Diagram
3.2.1. Every force acting on ONE object
3.3. Sum of Forces on an object
4. External Force
4.1. One of the 2 objects is exerted
5. Fundamental Forces
5.1. Weak
5.1.1. Weak interaction, shortest force
5.2. Strong
5.2.1. Strongess force, short range
5.3. Gravity
5.3.1. Weakest force, unlimited range
5.4. Electromagnetic
5.4.1. Acts on electric charge, unlimited range
6. Vectors
6.1. Polar Vector
6.2. Step Vector
6.3. Magnitude + Direction
6.4. Velocity
7. Gravitational Force
7.1. Function of position
7.2. Magnitude-Size of Force
8. Internal Force
8.1. Both objects are part of the system
9. Contact Force
9.1. Normal Force
9.1.1. Perpendicular Contact force
9.2. Friction Force
9.2.1. Parallel Contact Force
9.2.2. Static