A Steel Lift Column in a Service Station Is 4

question 6

Multiple Choice

A steel lift column in a service station is 4.0 m long and 0.20 m in diameter. Young's modulus for steel is 20 × 10¹⁰ N/m². By how much does the column shrink when a 5000-kg truck is on it?

• A)4.7 × 10^-7 m
• B)8.0 × 10^-7 m
• C)3.2 × 10^-6 m
• D)7.8 × 10^-6 m
• E)3.1 × 10^-5 m

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An American psychologist known for creating Maslow's hierarchy of needs, a theory of psychological health predicated on fulfilling innate human needs in priority, culminating in self-actualization.

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