A 10-M Long Plank (Of Negligible Mass)is Supported at Each

question 4

Multiple Choice

A 10-m long plank (of negligible mass) is supported at each end by vertical cables.A person of unknown weight sits on the plank between the cables.The tension in the left cable is 300 N,and in the right cable it is 200 N.How far is the person sitting from the left cable?

• A)2.0 m
• B)3.0 m
• C)4.0 m
• D)6.0 m
• E)7.0 m

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Definitions:

Epimysium

The outermost layer of connective tissue that surrounds skeletal muscles.

Endomysium

The thin layer of connective tissue that wraps each individual muscle fiber, aiding in the transmission of force and nourishment of the cell.

Excitability

The ability of a cell or tissue to respond to a stimulus, particularly noticed in nerve and muscle cells.

Extensibility

The capability of muscle tissue to be stretched or extended without being damaged.