# Machine Fundamentals

## Pulley System

What is a Pulley System? A pulley or sheave is a disc like object which has a groove on its rim. In this groove, a flexible rope or chain is wound to apply a pullingRead More →

## Maximum efficiency

What is Maximum Efficiency of a Machine? Maximum efficiency of a machine is defined as the ratio of output work and minimum input work required for the work by the machine. Therefore, maximum efficiency isRead More →

## Crab Winch

What is called a Winch? A crab winch is simply called a winch. It is a hauling or lifting device consisting of a rope or chain wound around a horizontal grooved drum. The drum isRead More →

What is called Mechanical Advantage? Mechanical advantage of machine is defined as the ratio of load lifted at output end to the effort applied at the input end of the machine. Therefore, Mechanical Advantage isRead More →

## Screw Jack

What is a Screw Jack? Machines are mechanical devices which are used to change the direction or magnitude of an applied force or work. A screw jack consists of two simple machines in series –Read More →

## Class of Lever

What is called a Lever? A lever is a simple machine which is a rigid bar or a cylindrical rod capable to rotate about a fixed point called fulcrum point. Class of lever are basedRead More →

## Machine Efficiency

What is Machine Efficiency? We always worried about the performance of any machine or device that we use for doing some work. Machine Efficiency is one of such character which reflects about the optimum performanceRead More →

## Velocity Ratio

What is called Velocity Ratio? Velocity ratio of a simple machine is defined as the ratio of distance moved by the effort and distance moved by the load. Therefore, Velocity Ratio = ( Distance movedRead More →

## Simple Machines

What is a Simple Machine? Simple machines are mechanical devices which are used to change the direction or magnitude of an applied force as per our requirement. It is the simplest form of mechanism whichRead More →