Vectors Quiz

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

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

When two vectors are added together, a _____________ can be drawn.

• vector

• resultant

• trajectory

• none of these

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

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.

The equilibrant has the same magnitude and direction as the resultant vector.

• True

• False

Find the missing side.

• 15.6

• 12.1

• 8

• 5.25

How do you combine vectors if they are in opposite directions?

• Add

• Subtract

• Pythagorean Theorem

• Use trigonometry

How do you combine vectors if they are in the same direction?

• Add

• Subtract

• Pythagorean Theorem

• Use Trigonometry