vectors review

Front

What is a vector?

Back

A vector is a mathematical structure that has both direction and magnitude.

Front

What is the difference between a scalar and a vector?

Back

A scalar has only magnitude (e.g., temperature), while a vector has both magnitude and direction (e.g., velocity).

Front

What is the true bearing of North-East?

Back

045°.

Front

What does the term 'magnitude' refer to in vectors?

Back

Magnitude refers to the size or length of the vector.

Front

What does the term 'direction' refer to in vectors?

Back

Direction indicates the orientation of the vector in space.

Front

How do you represent a vector graphically?

Back

A vector is represented graphically by an arrow, where the length represents magnitude and the arrowhead indicates direction.

Front

What is the formula for adding two vectors?

Back

To add two vectors, place them head to tail and draw a vector from the tail of the first to the head of the second.

Front

What is the bearing of a vector?

Back

Bearing is the direction of a vector measured in degrees from North.

Front

What is the bearing of a vector pointing South 20° East?

Back

The bearing is 160°.

Front

What is the resultant vector?

Back

The resultant vector is the vector sum of two or more vectors.