A 400-N Uniform Vertical Boom Is Attached to the Ceiling

question 10

Multiple Choice

A 400-N uniform vertical boom is attached to the ceiling by a hinge, as shown.An 800-N weight W and a horizontal guy wire are attached to the lower end of the boom as indicated.The pulley is massless and frictionless.The tension force T of the horizontal guy wire has magnitude:

• A)350 N
• B)400 N
• C)690 N
• D)800 N
• E)1200 N

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Definitions:

Monozygotic Twins

Identical twins that develop from one zygote, which splits and forms two embryos, sharing exactly the same genetic material.

Dizygotic Twins

Also known as fraternal twins, these are siblings that are born at the same time but have developed from two different eggs fertilized by two different sperm.

Environmental Shared

The portion of the environment that is experienced identically by individuals, often used in contrast to "non-shared environment" in studies of heritability.

Monozygotic Twins

Identical twins originating from the division of a single fertilized egg, sharing all of their genetic material.