Vectors in simple physics

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 

Tags

CCSS.HSN-VM.B.4C

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

Tags

CCSS.HSN.VM.A.1

In practice A of the figure, What is  the magnitude of the  resultant displacement?

• 5 km 
• 8 km
• 11 km
• 15 km

Tags

CCSS.HSN-VM.B.4C

In practice A of the figure, what is the direction of the resultant displacement?

• 63 degrees west of North

• 63 degrees north of West

• 27 degrees north of West

• 27 degrees south of West

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

If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?

• 12 km
• 19 km, East
• 31 km
• 43 km, East

The _______ of two or more vectors is the sum of the vectors.

• components

• scalar

• resultant

• magnitude

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

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

• 50N

• 87N

• 60N

• 120N

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

• 100N

• 50N

• 87N

• 60N