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Which of the following statements is true about scalar quantities?

They can be multiplied by vectors.

They do not have direction.

They can be added or subtracted using vector addition rules.

They must always be represented by arrows.

What is the result of adding two vectors in opposite directions?

A vector in the same direction as the smaller vector.

A vector with zero magnitude.

A vector in the same direction as the larger vector.

A vector whose magnitude is the sum of the two magnitudes.

Which of the following describes the addition of two vectors A and B along the x and y axes?

The sum of the components of A and B along the x-axis is the x-component of the resultant vector.

Both A and B should be perpendicular.

The sum of the components of A and B along the y-axis is the y-component of the resultant vector.

Both A and B should be of equal magnitude.

Which of the following quantities is a vector?

Speed.

Displacement.

Temperature.

Mass.

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

Temperature.

Velocity.

Displacement.

Force.