Pulleys 1 and 2 of the rope and pulley system are connected and rotate as a unit. The radii of pulleys 1 and 2 are 100 mm and 300 mm respectively. Rope A is wrapped around pulley 1 and is fastened to pulley 1 at A'. Rope B is wrapped around pulley 2 and is fastened to pulley 2 at B’. Rope C is continuous over pulleys 3 and 4. Each rope as a diameter of 15 mm. Determine the normal stress in each segment of rope C if the weight has a mass of 225 kg. B' A A B W

Pulleys 1 and 2 of the rope and pulley system are connected and rotate as a unit. The radii of pulleys 1 and 2 are 100 mm and 300 mm respectively. Rope A is wrapped around pulley 1 and is fastened to pulley 1 at A'. Rope B is wrapped around pulley 2 and is fastened to pulley 2 at B’. Rope C is continuous over pulleys 3 and 4. Each rope as a diameter of 15 mm. Determine the normal stress in each segment of rope C if the weight has a mass of 225 kg. B' A A B W

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Free Body Diagram

The system of forces acting on a body tends to either rotate it or make the body undergo motion. In general, when an external agent exerts a force on a body, the body undergoes translational motion and rotational motion. The body has six degrees of freedom under the influence of that force. Here, three degrees of freedom are from the translational motion while the other three are from the rotation motion. However, sometimes the bodies are not allowed to undergo any motion and are fixed, under such conditions the body is said to be constrained.

Question

Pulleys 1 and 2 of the rope and pulley system are connected and rotate as a
unit. The radii of pulleys 1 and 2 are 100 mm and 300 mm respectively.
Rope A is wrapped around pulley 1 and is fastened to pulley 1 at A’. Rope B
is wrapped around pulley 2 and is fastened to pulley 2 at B'. Rope C is
continuous over pulleys 3 and 4. Each rope as a diameter of 15 mm.
Determine the normal stress in each segment of rope C if the weight has a
mass of 225 kg.
B'A'
B
T
W

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