Category: Basic Technology

It is beneficial to reduce the friction between surfaces to make movement easier or reduce the wear and tear on […]

Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like […]

A machine tool is a machine that cuts metals and performs some other operations by manipulation of its parts. This […]

Woodwork machines refer to the common equipment used in the workshop. Most of these machines are heavy and cannot be […]

The idea of area may be explained as the amount of space enclosed within the boundary of a figure. For […]

Polygons are everywhere! A polygon is any 2-dimensional shape formed with straight lines. Triangles, quadrilaterals, pentagons, and hexagons are all examples of polygons. […]

A quadrilateral is a closed figure with four straight sides. You can make a quadrilateral by taking (or imagining) anything […]

Belt and chain drives Belts are made of rubber and materials whose length and nature change with temperature. Examples of […]

Radio A radio is an instrument used to receive messages without wire connections but through electromagnetic waves. The various types […]

The major concern of this unit is to discuss the maintenance of common domestic appliances. The methods used include cleaning, […]