Vector Addition in Science

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

A car moved 60 km East and 90 km West. What is the distance it traveled?

• 30 km, West
• 60 km. East
• 90 km
• 150 km

A hiker walks 5 kilometers due north and then 7 kilometers due east. What is the magnitude of the resultant vector?

• 2 km
• 8.6 km
• 12 km
• 12.6 km

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

Tags

NGSS.HS-PS2-1

If vector A has an x component of 12 units and a y component of 7 units, what is the magnitude of vector A?

• 19 units

• 13 units

• 14 units

• 193 units

If vector A has an x component of 12 units and a y component of 7 units, what is the direction of magnitude of vector A?

• 1.7^O

• 0.58^O

• 30^O

• 60^O

The vectors a, b, c, and d are shown here.  Using only vector addition, express one of the vectors in terms of the others.

• D= A + C -B
• A= B - C - B
• C= D + A + B
• A= D + B  + A

The magnitude of the resultant is equal to......

• 2500m

• 800m

• 50m

• 70m

• 17
• 149
• 3
• 12.2