Operations on vectors

Which rule would you use here?

• The subtraction rule

• The parallelogram rule

• The Cartesian rule

• The triangle rule

• A

• B

• C

• D

Solve

• 12
  8
• 6
  -4
• -12
  8
• 5
  3

Which of the following is the difference of vector black and vector red (black - red).

• green

• purple

• blue

• orange

• A

• B

• C

• D

Find the direction and magnitude of the resultant vector for the drawing of two forces.

• Direction 90°
  Magnitude 139.0N
• Direction 52.3°
  Magnitude 195N
• Direction 52.3°
  Magnitude 139.0N
• Direction 37.7°
  Magnitude 139.0N

What is the magnitude of the resultant vector, r?

• 3

• 4

• 5

• 7

A resultant vector is

• equal to the sum of one vector.

• equal to the sum of two or more vectors.

• equal to the difference of one vector.

Evaluate the following vectors c - d = (8, 3) + (-2, -1)

• (10, 4)

• (2, 6)

• (4, 10)

• (6, 2)

• -2a - c

• c - 2a

• c + 2a

• -a - 2c