In the Figure, Two Identical Ideal Massless Springs Have Unstretched

question 34

Multiple Choice

In the figure, two identical ideal massless springs have unstretched lengths of 0.25 m and spring constants of 700 N/m. The springs are attached to a small cube and stretched to a length L of 0.30 m as in Figure A. An external force P pulls the cube a distance D = 0.020 m to the right and holds it there. (See Figure B.) The external force P, that holds the cube in place in Figure B, is closest to

• A) 28 N.
• B) 25 N.
• C) 21 N.
• D) 18 N.
• E) 14 N.

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Definitions:

Strict Liability

A legal doctrine where a party can be held liable for damages without proof of fault or negligence.

No Fault

A legal term indicating that a claim or case is processed without the necessity to prove negligence or fault by any party involved.

Common Law

The body of law developed from judicial decisions of courts and similar tribunals, serving as precedent for future cases.

Contributory Negligence

A legal defense where the plaintiff's own negligence played a role in causing their damages or injury, potentially reducing the liability of the defendant.