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The Atwood Machine is a pulley system consisting of two weights connected by string. We will assume no friction and that both the string and pulley are massless. If the masses of the two weights are different, the weights will accelerate uniformly by a.
When two objects of unequal mass are hung vertically over a frictionless pulley of negligible mass as in Figure 5.14a, the arrangement is called an Atwood machine. The device is sometimes used in the laboratory to determine the value of g.
Atwood's machine is a device invented in 1784 by the English physicist Rev. George Atwood. (See Fig. \(\PageIndex{1}\) ) The purpose of the device is to permit an accurate measurement the acceleration due to gravity \(g\). In the 18th century, without accurate timepieces or photogate timers, this was a difficult measurement to make with good ...
Experiment 5: Atwood’s Machine In 1784, George Atwood created a device to calculate force and tension and to verify the laws of motion of objects under constant acceleration. His device, now known as an Atwood’s Machine, consisted of two masses, m 1 and m 2, connected by a tight string that passes over a pulley, as seen in Figure 1. When the
The Atwood machine is a simple device consisting of two unequal masses that are connected by a cord run over a pulley. The larger mass m 2 is suspended above the smaller mass m. , and sits upon a platform that is equipped with a mechanical trip release.
The Atwood Machine. Newton’s Second Law states that the acceleration (a) of an object is directly proportional to the net (or unbalanced) force (Fnet) acting on the object and inversely proportional to the total mass (mT). The Atwood Machine is a standard device for the investigation of this relationship.
Laboratory 7: Newton’s Second Law: Atwood’s Machine – Prelab. Atwood’s machine consists of two masses suspended over a pulley. An example is illustrated in Fig. 1. a) Draw a free body diagram for each block.
