2D Motion - Vocabulary

Front

What is a vector?

Back

A vector is a quantity that has both magnitude and direction.

Front

How do you add two vectors together?

Back

You put the tail of one vector on the tip of the other vector.

Front

What does the term 'tangent' refer to in relation to a circle?

Back

A tangent is a line that touches the circle at exactly one point.

Front

What is the diameter of a circle?

Back

The diameter is a straight line that passes through the center of the circle, connecting two points on its circumference.

Front

What is the relationship between diameter and radius?

Back

A diameter is twice the length of the radius.

Front

What type of path does a projectile follow when shot at an angle?

Back

A projectile follows a parabolic path.

Front

What is the circumference of a circle?

Back

The circumference is the distance around the circle.

Front

What is the formula for calculating the circumference of a circle?

Back

Circumference = π × diameter.

Front

What is the area of a circle?

Back

The area of a circle is the space contained within its circumference.

Front

What is the formula for calculating the area of a circle?

Back

Area = π × radius².