Scalars and vectors Flashcards
1
Q
What is a vector?
A
- A vector is a quantity that has both magnitude and direction
- E.G: velocity
2
Q
What is a scalar?
A
- A scalar is a quantity that only has magnitude and not direction
- E.G: speed
3
Q
How to resolve a vector (addition)
A
- Connect vectors tip to tail
- Connect tail of first vector to tip of last vector
- Draw resultant
- Use trig to calculate resultant force
4
Q
How to resolve vectors (subtraction)
A
- Swap direction of vector
- Add vectors
- Instead of A minus B you will do A plus negative B
