A 25-Ft Long Crane Supported at Its Lower End by a Pin

question 71

Multiple Choice

A 25-ft long crane supported at its lower end by a pin is elevated by a horizontal cable as shown in the figure.A 250-lb load is suspended from the outer end of the crane.The center of gravity of the crane is 10 ft from the pin,and the crane weighs 200 lb.What is the tension in the horizontal cable?

• A)610 lb
• B)540 lb
• C)640 lb
• D)570 lb
• E)2 000 lb

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Definitions:

Vital Signs

Measurements of the body's most basic functions, including temperature, pulse, breathing rate, and blood pressure.

Sleep Cycle

A repeated sequence of phases that the body goes through during sleep, including REM (rapid eye movement) and several stages of non-REM sleep.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wakefulness.

Alcohol Consumption

The act of drinking beverages that contain ethanol, ranging from occasional drinking to alcohol dependence.