Vector Sums and Trig functions

What is the resultant vector of the two labeled vectors?

• +2 km

• +14 km

• -2 km

• -14 km

What is the magnitude of the resultant vector, r?

• 3

• 4

• 5

• 7

Which vector equation matches the vector operation shown in the diagram below?

• u-v=w

• u-v=-w

• u+v=w

• v+u=-w

Which vector equation matches the vector operation shown in the diagram below?

• u+v=w

• w+u=v

• v+w=-u

• w+u=-v

Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knots

• Scalar
• Vector

What is the y component of the vector given in the diagram?

• 77N

• 92N

• 120N

• 60N

What is the x component of the vector given in the diagram?

• 77N

• 92N

• 120N

• 60N

• 17

• 149

• 3

• 12.2

Adding which two vectors would give a resultant of zero magnitude?

• A + B

• A + E

• B + E

• C + F

• A + D

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction