2. Fill-in-the-blank:
A _______________ is a graphical way to represent physical quantities that have magnitude and direction.

3. Fill-in-the-blank:
A ___VECTOR____ is a graphical way to represent physical quantities that have magnitude and direction.

4. Fill-in-the-blank:
A _______________ is a physical quantity that obeys the parallelogram law.

5. Fill-in-the-blank:
A ___VECTOR____ is a physical quantity that obeys the parallelogram law.

6. Fill-in-the-blank:
Simon Stevinus ( ) invented _____________ representation of forces because it enables the solution of force resultants using the parallelogram law.

7. Fill-in-the-blank:
Simon Stevinus ( ) invented ___VECTOR__ representation of forces because it enables the solution of force resultants using the parallelogram law.

8. Vector Addition: Parallelogram Law

9. Vector Addition: Parallelogram Law

10. Vector Addition: Parallelogram Law

11. Vector Addition: Parallelogram Law
Resultant

13. Always: Draw the Parallelogram Well (to scale)
Either:

14. Always: Draw the Parallelogram Well (to scale)
Either:
Solve Graphically (2 digits is fine)
Or,

15. Always: Draw the Parallelogram Well (to scale)
Either:
Solve Graphically (2 digits is fine)
Or,
Solve with Trig

16. Problem Types

17. Problem Types

19. Problem Types

21. You can always solve two unknowns for these problems,
Problem Types
You can always solve two unknowns for these problems,
but there are
Many combinations