What is 'Atwood machine' 🧑‍🔧

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A device comprising a pulley over which is passed a stretch free cord with a weight hanging on each end.

The Atwood machine is a machine invented in 1784 by George Atwood as a laboratory experiment to verify the mechanical laws of uniformly accelerated motion.

This machine is a common classroom demonstration used to illustrate the principles of Physics, specifically Mechanics.

This device comprises two masses attached to a string and a pulley on which both the masses hang.

A simple device that runs over pulleys used to study the laws of motion & forces is known as Atwood’s machine.

This machine is applicable in various scenarios in the study of mechanics.

Basically, this machine is a perfect illustration of tension force, gravitational force and the downward force acting on a particular system of masses that are hung using a string and pulley arrangement.

The Atwood machine is a very common device in physics labs.

Its structure is quite simple (because it contains only 2-3 components ).

This machine is typically composed of a rope, a pulley and a mass system.

The Atwood machine was used to study the dynamics of a system with variable mass, through the use of a chain whose end was attached to a wire that suspended a body of fixed mass on the other side of the pulley.

Let’s start by reviewing a few questions people ask:

Atwood machine

What is the Atwood machine and Newton's 2nd Law...

Atwood Machine and Newton’s 2nd Law. An Atwood Machine is a very simple device invented by George Atwood in 1794 as a way to demonstrate Newton’s Laws of Motion.

What is the free body diagram of the Atwood machine...

The free body diagrams of the two hanging masses of the Atwood machine. Our sign convention, depicted by the acceleration vectors is that m1 accelerates downward and that m2 accelerates upward, as would be the case if m1 > m2 An equation for the acceleration can be derived by analyzing forces.

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