Chapter 2-Force

by Rebecca Harman

1. Vectors

1.1. Polar Vector

1.2. Step Vector

1.3. Magnitude + Direction

1.4. Velocity

2. Newton's Laws of Motion

2.1. Newton's 1st law

2.1.1. Inertia

2.2. Newton's 2nd law

2.2.1. Acceleration

2.3. Newtons 3rd Law

2.3.1. Interaction: Same magnitude, opposite direction

3. Gravitational Force

3.1. Function of position

3.2. Magnitude-Size of Force

4. Measurement

4.1. Newton

4.1.1. 4.448N=1lb

5. Net Force

5.1. Equilibrium

5.1.1. Balance; Net force=0

5.2. Free Body Diagram

5.2.1. Every force acting on ONE object

5.3. Sum of Forces on an object

6. Internal Force

6.1. Both objects are part of the system

7. External Force

7.1. One of the 2 objects is exerted

8. Contact Force

8.1. Normal Force

8.1.1. Perpendicular Contact force

8.2. Friction Force

8.2.1. Parallel Contact Force

8.2.2. Static

9. Tension

9.1. Magnitude of Force

9.2. Tensional Force

10. Fundamental Forces

10.1. Weak

10.1.1. Weak interaction, shortest force

10.2. Strong

10.2.1. Strongess force, short range

10.3. Gravity

10.3.1. Weakest force, unlimited range

10.4. Electromagnetic

10.4.1. Acts on electric charge, unlimited range