Vectors Quiz

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 

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

Which are equivalent vectors?

• u and -u
• u and a
• u and v
• u and b

How should you add two vectors?

• Add them head to tail
• Add them tail to tail
• Add them with the addition key
• just add the length of each

• 17
• 149
• 3
• 12.2

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

• 60 N right

• 10 N left

• 50 N left

Tags

NGSS.MS-PS2-2

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?

• 50N to the left.
• 350N to the left.
• 350N to the right.
• 50N to the right.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Can you combine vectors that aren't displacement?

• Yes
• Depends on what equation you use
• What? Two accelerations? I'M FREAKING OUT!!!

Remember: DRAW THE VECTORS!!!
A plane is traveling at 100 m/s South when it encounters a cross-wind from Hurricane Irma of 78 m/s from the West.
What is the plane's resultant velocity?

• 126.82 m/s SW
• 1.28 m/s SW
• 7800 m/s SW
• 0.78 m/s SW

The diagram shows a man using a rope to pull a cart. The man's pull on the handle of the cart
is a tension force that 

• has magnitude and direction
• has magnitude only
• has direction only
• has no magnitude nor direction. 

Tags

NGSS.MS-PS2-1