Vector Algebra Quiz

What is a quantity that has only magnitude called?

• Direction

• Force

• Scalar

• Vector

Which of the following is an example of a vector quantity?

• Time

• Temperature

• Mass

• Velocity

What is the term for a vector whose initial and terminal points coincide?

• Position Vector

• Zero Vector

• Collinear Vector

• Unit Vector

What is the magnitude of a vector denoted by?

• a

• a^2

• ||a||

• |a|

Which law states that the sum of two vectors can be represented by the diagonal of a parallelogram?

• Pythagorean Theorem

• Law of Cosines

• Parallelogram Law

• Triangle Law

What is the term for the cosine values of the angles made by a vector with the coordinate axes?

• Direction Ratios

• Magnitude

• Scalar Components

• Direction Cosines

If two vectors are collinear, what can be said about their direction?

• They have different magnitudes.

• They are parallel.

• They are always opposite.

• They are always equal.

What is the result of the scalar product of two perpendicular vectors?

• Undefined

• -1

• 0

• 1

Which of the following represents a unit vector?

• Vector with magnitude 2

• Vector with negative magnitude

• Vector with magnitude 1

• Vector with magnitude 0

What is the formula for the projection of vector a on vector b?

• a × b

• a · b

• (a · b) / |b|

• b / |b|