VISCOSITY
MEANING OF VISCOSITY Viscosity is the internal friction which exists between layers of the molecules of a fluid (liquid or…
WORK, ENERGY AND POWER
WORK Work is said to be done whenever a force moves a body through a certain distance in the direction…
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…
DENSITY & RELATIVE DENSITY
DEFINITION OF DENSITY The density of a substance is the mass per unit volume of the substance. Density = mass…
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…
FRICTION
DEFINITION OF FRICTION Friction (Fr) is defined as a force which acts at the surface of separation between two objects…
MOTION IN NATURE
FUNDAMENTALS OF MOTION Many scientists have studied motion and its properties because of its importance to life. The Italian, Galileo…
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…
INTRODUCTION TO PHYSICS
MEANING OF PHYSICS Physics is the scientific study of matter and energy and how they interact with each other. This…
MACHINES
Machines make our work simpler. It is a force producing device by which a large force called load can be…
SIMPLE HARMONIC MOTION
This is the periodic motion of a body or particle along a straight line such that the acceleration of the…
EQUILIBRIUM OF FORCES
CONDITIONS FOR EQUILIBRIUM A body is said to be in equilibrium if under the action of several forces, it…
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…
PROJECTILES AND ITS APPLICATION
MEANING OF PROJECTILE A projectile motion is one that follows a curved or parabolic path .It is due to two…
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…
SCALAR AND VECTOR QUANTITIES
CONCEPT OF SCALAR AND VECTOR QUANTITIES Physical quantities are divided into scalar and vector quantities. A scalar is one which…
POSITION, DISTANCE AND DISPLACEMENT
POSITION The position of an object in space or on a plane is the point at which the object can…
ELECTROMAGNETIC FIELD II
ELECTROMAGNETIC FIELD This is a field representing the joint interaction of electric and magnetic forces. It is exerted on charged…
ELECTROMAGNETIC FIELD
PATTERNS OF MAGNETIC FIELDS Magnetic field pattern can easily be observed using iron fillings. The magnetic is put on paper…
MAGNETIC FIELD
MAGNET AND ITS PROPERTIES A magnet is any material that is capable of attracting other pieces of the same material…