How Large a Force Is Necessary to Stretch a 2

question 51

Multiple Choice

How large a force is necessary to stretch a 2.0-mm-diameter steel wire (Y = 2.0 ´ 10¹¹ N/m²) by 1.0%?

• A)3.1 ´ 10³ N
• B)6.3 ´ 10³ N
• C)9.4 ´ 10³ N
• D)1.3 ´ 10⁴ N

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Definitions:

Neonatal

Pertaining to the first four weeks after birth, a critical period for both mother and infant that encompasses the transition to independent living.

Muscle Tone

The continuous and passive partial contraction of the muscles, or the muscle's resistance to passive stretch during resting state.

Activity Level

A measure of how much physical or mental action an individual undertakes in a given period.

Perinatal Onset

Refers to the time immediately before and after birth, when certain conditions or diseases can begin.