A 600-Kg Ornament Is Held at Rest by Two Light Wires

question 168

Multiple Choice

A 6.00-kg ornament is held at rest by two light wires that form 30° angles with the vertical,as shown in the figure.An external force of magnitude F is exerted vertically downward on the ornament.The two wires exert tension forces denoted by T.A force diagram,showing the four forces that are exerted on the box,is shown in the figure.If the magnitude of force F is 410 N,what is the magnitude of the tension force T?

• A)271 N
• B)235 N
• C)188 N
• D)376 N
• E)470 N

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Definitions:

Conscious

The state of being aware of and able to think about one's own existence, sensations, thoughts, surroundings, etc.

Ego

In psychoanalytic theory, the part of the personality that mediates between the conscious and unconscious and is responsible for reality testing and a sense of personal identity.

Id

A component of the psychoanalytic theory representing the instinctual drives and unconscious desires.

Oedipus Complex

A Freudian concept involving a child's unconscious sexual desire for the opposite-sex parent and jealousy towards the same-sex parent.