Scalars and Vectors

Question 1

Define a vector quantity.

Answer 1

A quantity with both a magnitude (or size) and a direction.

Question 2

Define a scalar quantity.

Answer 2

A quantity that only has magnitude and doesn’t have a direction.

Question 3

Give three examples of vector quantities.

Answer 3

weight, displacement, velocity, force, (electrical) current, acceleration

Question 4

Give three examples of scalar quantities.

Answer 4

distance, speed, mass, density, volume, time, energy, temperature.

Question 5

In general, when you multiply or divide a scalar quantity by another scalar quantity, will it equal a scalar or vector quantity?

Answer 5

Scalar

Question 6

In general, when you multiply or divide a vector quantity by another vector quantity, will it equal a scalar or vector quantity?

Answer 6

Vector

Question 7

In general, when you multiply or divide a scalar quantity by a vector quantity, will it equal a scalar or vector quantity?

Answer 7

Scalar