How Much Work Is Required to Stretch an Ideal Spring

question 78

Multiple Choice

How much work is required to stretch an ideal spring of spring constant 40 N/m from x = 0.20 m to x = 0.25 m if the unstretched position is at x = 0.00 m?

• A)0.45 J
• B)0.80 J
• C)1.3 J
• D)0.050 J

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Definitions:

Advantages and Disadvantages

The beneficial and negative aspects or outcomes associated with a particular action, decision, or situation.

Cognitive Dissonance

The discomfort in one’s mind arising from holding several contradictory beliefs, ideas, or values at once.

Observational Learning

A form of learning that occurs through observing the behavior of others and the outcomes of those behaviors.

Classical Conditioning

An educational method where learned reactions are developed through the relationship between an environmental trigger and a naturally existing stimulus.