## VISCOSITY

MEANING OF VISCOSITY Viscosity is the internal friction which exists between layers of the molecules of a fluid (liquid or gas) in motion. The viscosity

## WORK, ENERGY AND POWER

WORK Work is said to be done whenever a force moves a body through a certain distance in the direction of force.  Work done can

## PRESSURE, ARCHIMEDES’ PRINCIPLES, UPTHRUST & LAWS OF FLOATATION

PRESSURE Pressure is defined as the perpendicular force per unit area acting on a surface. It is a scalar quantity & measured in N/m2 or

## DENSITY & RELATIVE DENSITY

DEFINITION OF DENSITY The density of a substance is the mass per unit volume of the substance. Density = mass of a given substance Volume

## VECTOR & SCALAR QUANTITY, DISTANCE/DISPLACEMENT

VECTOR & SCALAR QUANTITY, DISTANCE/DISPLACEMENT, SPEED/VELOCITY, ACCELERATION, DISTANCE/DISPLACEMENT –TIME GRAPH, SPEED/VELOCITY–TIME GRAPH SCALAR & VECTOR QUANTITY A scalar quantity is defined as a quantity that

## MOTION IN NATURE

FUNDAMENTALS OF MOTION Many scientists have studied motion and its properties because of its importance to life. The Italian, Galileo Galilei, who lived from 1564

## MEASUREMENT OF MASS, WEIGHT, LENGTH & TIME

TECHNIQUES AND MEASUREMENT Measurement is an important aspect of physics or other sciences. No fact in science is accepted, no law is established, unless it

## INTRODUCTION TO PHYSICS

MEANING OF PHYSICS Physics is the scientific study of matter and energy and how they interact with each other. This energy can take the form

## OSE KERIN-IN

AKORI EKO: ATUNYEWO IHUN ORO Iro konsonanti ati iro faweli pelu ami ohun ni a n hun po di oro. Orisi oro meji ni o

## MACHINES

Machines make our work simpler. It is a force producing device by which a large force called load can be overcome by a small applied

## SIMPLE HARMONIC MOTION

This is the periodic motion  of  a body or particle  along a straight  line  such that the acceleration of  the body  is directed  towards  a

## EQUILIBRIUM OF FORCES

CONDITIONS FOR EQUILIBRIUM   A body is said to be in equilibrium if under the action of several forces, it does accelerate or rotate. The

## NEWTON’S LAW OF MOTION

NEWTON’S LAWS OF MOTION Newton’s first law of motion states that everybody continues in its state of rest or of uniform motion in straight line

## PROJECTILES AND ITS APPLICATION

MEANING OF PROJECTILE A projectile motion is one that follows a curved or parabolic path .It is due to two independent motions at right angle

## DERIVATION OF EQUATONS OF LINEAR MOTION

BASIC DEFINITIONS Displacement: This is the distance traveled in a specified direction. It is a vector quantity. Its unit is metres Distance: This is the

## SCALAR AND VECTOR QUANTITIES

CONCEPT OF SCALAR AND VECTOR QUANTITIES Physical quantities are divided into scalar and vector quantities. A scalar is one which has only magnitude (size) e.g.

## POSITION, DISTANCE AND DISPLACEMENT

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

## ELECTROMAGNETIC FIELD II

ELECTROMAGNETIC FIELD This is a field representing the joint interaction of electric and magnetic forces.  It is exerted on charged particles.  The force on a

## ELECTROMAGNETIC FIELD

PATTERNS OF MAGNETIC FIELDS Magnetic field pattern can easily be observed using iron fillings.  The magnetic is put on paper and the iron fillings are

## MAGNETIC FIELD

MAGNET AND ITS PROPERTIES A magnet is any material that is capable of attracting other pieces of the same material as well as pieces of

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