A chain lying on the ground is 10 m long and its mass is 80 kg. One end of the chain is raised toa height of 6 m. (a)(b)Draw "before" and "after" pictures of this scenario. That is, draw one picture of thechain lying on the ground. Then, draw a second picture of the chain with one end raisedto a height of 6 m. Choose where dy (a tiny portion of the chain) should be, and clearlylabel dy on both pictures. Also, clearly label distance y in your "after" picture.How much work (in J) is required to raise one end of the chain to a height of 6 m? Use9.8 m/s² for the value of g. Start by developing an expression for dWork, thenintegrate it to find Work.

Given:mass of the chain, m = 80 kgtotal length of the chain, l = 10 mheight raised, h = 6 mAsked:a)…

Answered: A chain lying on the ground is 10 m…

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A chain lying on the ground is 10 m long and its mass is 80 kg. One end of the chain is raised to height of 6 m.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter11: Energy And Its Conservation

Section: Chapter Questions

Problem 43A

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Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

Question

A chain lying on the ground is 10 m long and its mass is 80 kg. One end of the chain is raised to
a height of 6 m.

(a)
(b)
Draw "before" and "after" pictures of this scenario. That is, draw one picture of the
chain lying on the ground. Then, draw a second picture of the chain with one end raised
to a height of 6 m. Choose where dy (a tiny portion of the chain) should be, and clearly
label dy on both pictures. Also, clearly label distance y in your "after" picture.
How much work (in J) is required to raise one end of the chain to a height of 6 m? Use
9.8 m/s² for the value of g. Start by developing an expression for dWork, then
integrate it to find Work.

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