3. The window washers A and B support themselves and the horizontal, uniform platform CD (i.e. the weight of the platform acts at its centre) by pulling down on the two ropes. The pulling force on the rope by the washer B is 567 N. The mass of washer A is 77 kg. Determine the tension in the rope connected at C, the mass of the washer B and the force that each man exerts on the platform. 13.5 kg 3 m 77 kg A 0.6 m B 1.2 m D

3. The window washers A and B support themselves and the horizontal, uniform platform CD (i.e. the weight of the platform acts at its centre) by pulling down on the two ropes. The pulling force on the rope by the washer B is 567 N. The mass of washer A is 77 kg. Determine the tension in the rope connected at C, the mass of the washer B and the force that each man exerts on the platform. 13.5 kg 3 m 77 kg A 0.6 m B 1.2 m D

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

3. The window washers A and B support themselves and the horizontal, uniform platform CD (i.e. the
weight of the platform acts at its centre) by pulling down on the two ropes. The pulling force on the rope
by the washer B is 567 N. The mass of washer A is 77 kg. Determine the tension in the rope connected at
C, the mass of the washer B and the force that each man exerts on the platform.
13.5 kg
3 m
77 kg
A
bont
'0.6 m'
B
1.2 m-
D

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Step 4: Finding normal force at B

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