Vectors and Scalars

Question 1

What are vectors?

Answer 1

Quantities with both direction and magnitude

Question 2

What are scalars?

Answer 2

Quantities with only magnitude

Question 3

Give some examples of Vectors.

Answer 3

displacement, force, current, acceleration, momentum, velocity

Question 4

Give some examples of Scalars.

Answer 4

mass, temperature, time, distance, length, wavelength, frequency, speed

Question 5

How do we draw vectors?

Answer 5

Same direction - add
opposite direction - minus
Different - draw a triangle

Question 6

How do you resolve a vector?

Answer 6

1. Draw a Free Body Diagram
2. Draw a Tip to Tail Diagram
3. Identify an angle and use Soh Cah Toa
   OR
4. Find vertical/horizontal components then use a^2 + b^2 = c^2