# Essay on working of simple machines

How hot can we focus sunlight? Introduction I made an entertaining misstep when I once tried to enlist the help of a machine shop to build a 'perpetual motion' machine.

Several of these simple machines are related to each other. But, each has a specific purpose in the world of doing work.

But what is work? Work is the amount of energy necessary to move an object. Its examples are gate entrance ramps, ladder and parking ramp etc. It can be used to cut an object into two portions and lift an object e. Nut cracker, bottle opener, wheelbarrow and paper cutter etc.

Knife, pair of scissors, tongs, screw, driver, plier and hammer etc. Tie a bundle of books with one end of the thread. Attach the other end of the thread with a spring balance and pull the bundle along the inclined plane.

Gate entrance ramp, car ramps and parking ramp etc. Yes, because things can be cut easily with the help of a wedge.

One edge of knife is very sharp and thin which gradually goes on becoming thicker. Since it is formed by joining two inclined planes, so it is called a wedge. Hang a weight of g at one side of the ruler. Seesaw, pair of scissors and hand pump.

What is the position of load in these levers? What is the position of fulcrum, load and effort in these levers? How does an inclined plane make our work easier? What is the first kind of lever?

What is the second kind of lever?

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What is the third kind of lever? How does a lever make our work easier?A Simple Machine essaysBasically a simple machine consists of at least three or more machines in one such as; a pulley, inclined plane, screw, wedge, wheel and axle, and lever. So for an example a car would be a simple machine because, it has a wheel and axle, plus a wheel and axle for steering whe.

Oliver Pell Cryptology.

This is an essay I wrote for a mathematics essay prize. We had a number of possible topics to choose from and I choose cryptology, because I already had a passing interest in thanks to my attempts to code encryption algorithms for my computer programs.

Or, What I’ve Learned in 12 Years Writing about Energy ( words, about 25 minutes reading time) Folks who pay attention to energy and climate issues are regularly treated to two competing depictions of society’s energy options. Introduction There are no precise, reliable statistics on the amount of computer crime and the economic loss to victims, partly because many of these crimes are apparently not detected by victims, many of these crimes are never reported to authorities, and partly because the losses are often difficult to .

Machines play an important role in our lives. Modern age is the age of machines. Almost all objects surrounding us including soap, pen, paper, cloth, TB, bicycle, motor, car, etc., are made by machines. A machine is a device which makes our work easier, faster and more convenient.

It can do more. Simple machines can be used to make work easier and faster. Compound machines are basically simple machines placed together to work together. Work is force acting on an object that moves it a distance (W=F*d).3/5(3).

Perpetual Motion