Table of Contents

## POSITION

The position of an object in space or on a plane is the point at which the object can be located with reference to a given point (the origin).

## DISTANCE

This is a measure of the separation between two points. It has magnitude but no direction. Hence, it is a scalar quantity

## DETERMINATION OF DISTANCE BETWEEN TWO POINTS

If two points A and B located in a plane are defined by two ordered pair of values(X_{1} Y_{1}) and (X_{2} Y_{2}) or assumed to be in space where they are defined by (X_{1}, Y_{1}, Z_{1}) and (X_{2}, Y_{2,} Z_{2}) the distance between them can be determined by applying this relation.

OR

## DISPLACEMENT

Displacement is the distance covered in a specified direction. It is a vector quantity, which has the same unit as distance.

## ONLINE WORK

- What is displacement and why is it regarded as vector quantity?
- Highlight three differences between distance and displacement

## ASSIGNMENT

**SECTION A**

- Which of the following is odd? (a) 25km (b) 25km North (c) 25km to the left (d) 25km upwards
- The following are vector quantities EXCEPT (a) distance (b) displacement (c) force (d)
**weight** - Determine the distance between S (3,4,-5) and T (2,1,0) (a) 5.8 (b) 5.9 (c) 6.0 (d) 6.2
- Distance is can be measure with the following except (a) metre rule (b) speedometer (c) tape rule (d) ruler
- Which is the correct SI unit of distance? (a) millimeters (b) metres (c) kilometres (d) centimetres

**SECTION B**

1. Sketch clearly using scale indicators, the position of a point P (4,-5,6) with reference to a point Q (0,0,0). Determine the distance between P and Q

- What is position?

See also

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