Vectors Part 1

What is a scalar quantity?

• A quantity with magnitude and direction.

• A quantity with only magnitude.

• A quantity with only direction.

• A quantity with neither magnitude nor direction.

Which of the following is a vector quantity?

• Velocity.

• Mass.

• Temperature.

• Velocity.

What does the length of a vector arrow represent?

• Direction.

• Magnitude.

• Sense.

• Time.

If a vector has a magnitude of 10 units and points to the east, what is its direction?

• North.

• South.

• East.

• West.

What is the result of adding two vectors using the head-to-tail method?

• The vector from the tail of the first to the head of the second.

• The vector from the head of the first to the tail of the second.

• The vector in the opposite direction.

• The vector with the smallest magnitude.

If you add 3 m to the east and 4 m to the north, what is the resulting vector?

• 5 m to the northeast.

• 7 m to the east.

• 7 m to the north.

• 5 m to the southwest.

What is the magnitude of the vector 6 m to the west + 8 m to the south?

• 10 m.

• 14 m.

• 2 m.

• 12 m.

What happens to a vector when it is multiplied by a scalar of 2?

• Its direction changes.

• Its magnitude is doubled.

• Its sense is inverted.

• It becomes a scalar.

What method does a parallelogram use to add vectors?

• Head-to-tail method.

• Analytical method.

• Parallelogram method.

• Subtraction method.

What is the direction of a vector that points downward?

• Positive.

• Negative.

• Upward.

• Neutral.