Two Identical Ladders Are 3

question 29

Multiple Choice

Two identical ladders are 3.0 m long and weigh 600 N each.They are connected by a hinge at the top and are held together by a horizontal rope,1.0 m above the smooth floor forming a symmetric "A" arrangement.The angle between the ladders is 60° and both ladders have their center of gravity at their midpoint.What is the tension in the rope?

• A) 240 N
• B) 300 N
• C) 220 N
• D) 260 N
• E) 280 N

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Definitions:

Embryonic Germ Layer

One of the three primary layers of cells (endoderm, mesoderm, ectoderm) in the very early embryo that gives rise to all the body's organs and tissues.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development that gives rise to the formation of the skin and nervous system.

Malignant Tumor

A type of tumor that invades surrounding tissues, is capable of spreading to other parts of the body, and can be life-threatening.

Connective Tissue

A category of body tissue that plays a role in supporting, connecting, or distinguishing different organs and tissue varieties.