he 80-kg lamp is supported by two rods AB and BC as shown in the Figure. If AB as a diameter of 10 mm and BC has a diameter of 8 mm, determine whether the ods are adequate to carry the 80kg lamp if each rod has an allowable normal -tress of 10 MPA. 60°

he 80-kg lamp is supported by two rods AB and BC as shown in the Figure. If AB as a diameter of 10 mm and BC has a diameter of 8 mm, determine whether the ods are adequate to carry the 80kg lamp if each rod has an allowable normal -tress of 10 MPA. 60°

Residential Construction Academy: House Wiring (MindTap Course List)

4th Edition

ISBN:9781285852225

Author:Gregory W Fletcher

Publisher:Gregory W Fletcher

Chapter1: Residential Workplace Safety

Section: Chapter Questions

Problem 14RQ

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Concept explainers

Open Channel Flow

Open channel flow is a branch of fluid mechanics. It deals with the flow of fluid in an open conduit or free surface. In an open channel flow, gravity induces the flow of water whose surface is open to the air. This flow is free-falling rather than confined in rigid body conduits. The open channel flow depends upon two parameters that are the cross-section of the conduit and the velocity profile. Practical examples of open channel flow are streams, rivers, canals, and other drainage systems.In open channel flow, the cross-sectional area of at least one of the sides is exposed to air, and the surface of water faces atmospheric pressure. This flow is also known as free gravity flow. The cross-sectional area of the conduit can be either man-made or a natural channel. For instance, the flow in rivers and streams are natural conduits, and the flow in a canal and sanitary systems are man-made or engineered channels.

Question

The 80-kg lamp is supported by two rods AB and BC as shown in the Figure. If AB
has a diameter of 10 mm and BC has a diameter of 8 mm, determine whether the
rods are adequate to carry the 80kg lamp if each rod has an allowable normal
stress of 10 MPA.
60°
B

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