Adding Vectors

The result of adding two opposite vectors; the magnitude is zero and there is no direction.

• Zero vector

• Resultant

• Component

• Magnitude

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 travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south.  What is the magnitude and direction  of the car's resultant displacement?  

• 40 metres, South

• 50 metres, South

• 50 metres, North

• 40 metres, North 

What is the net force?
100 N        230 N
<------        --------->

• 30 N to the right

• 230 N to the right

• 130 N to the right

• This is a balanced force

Tags

NGSS.HS-PS2-1

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

• 77N

• 92N

• 120N

• 60N

Tags

NGSS.HS-PS2-1

A way of finding the resultant vector by lining up the vectors tail-to-tail.

• Triangle method

• Circle method

• Rectangular method

• Parallelogram method

Acceleration is an example of a

• scalar

• vector

Which of the following is a vector quantity?

• distance

• displacement

If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?

• 20m

• 40m

• 0m

• -20m

Which of the following operations is used to add two vectors?

• Scalar multiplication

• Dot product

• Cross product

• Vector addition