An elastic string is fixed at one end and is wound on a drum of diameter 0.2m so that the tension in the string increases as the angle through which the drum turns increases. The torque Ton the drum then varies according to the law: T= Sr0 where S = stiffness of elastic string (S=120KN/m) r = radius of drum As the drum starts at 0 = 0, the work done can be calculated using calculus, for any given value of 0, as shown: ST de Determine the work done by the drum if it rotates through an angle of 0 = 21/3, %3D
An elastic string is fixed at one end and is wound on a drum of diameter 0.2m so that the tension in the string increases as the angle through which the drum turns increases. The torque Ton the drum then varies according to the law: T= Sr0 where S = stiffness of elastic string (S=120KN/m) r = radius of drum As the drum starts at 0 = 0, the work done can be calculated using calculus, for any given value of 0, as shown: ST de Determine the work done by the drum if it rotates through an angle of 0 = 21/3, %3D
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please solve accurate. I will rate it up.
method is below:
“you shouldnt put the values in before you integrate as you have limits - should be two brackets after integration to get final answer”
That’s what the teacher said
Transcribed Image Text:(i)
An elastic string is fixed at one end and is wound on a drum of diameter 0.2m so that the
tension in the string increases as the angle through which the drum turns increases. The torque
Ton the drum then varies according to the law:
T= Sr20
where S = stiffness of elastic string (S=120KN/m)
r = radius of drum
As the drum starts at 0 = 0, the work done can be calculated using calculus, for any given
value of 0, as shown:
(T de
Determine the work done by the drum if it rotates through an angle of 0 = 2T1/3,
%3D
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