When the Vector Sum of Three Co-Planar Forces $\vec{A}$ $\overrightarrow{\mathbf{B}}$ And $\overrightarrow{\mathbf{C}}$

question 28

Multiple Choice

When the vector sum of three co-planar forces, $\vec{A}$ , $\overrightarrow{\mathbf{B}}$ and $\overrightarrow{\mathbf{C}}$ , is parallel to $\vec{A}$ , we can conclude that $\overrightarrow{\mathbf{B}}$ and $\overrightarrow{\mathbf{C}}$ :

• A)must sum to zero.
• B)must be equal and opposite.
• C)must have equal and opposite components perpendicular to \(\vec{A}\) .
• D)must have equal and opposite components parallel to \(\vec{A}\) .
• E)must have equal and opposite components parallel and perpendicular to \(\vec{A}\) .

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Definitions:

Negligence Per Se

A legal doctrine whereby an act is considered negligent because it violates a statute or regulation.

Heightened Duty

Refers to an increased level of obligation that a party must adhere to, often in fiduciary relationships or professions that demand a higher standard of care.

Standard Of Care

The level of carefulness and caution expected from someone who has a responsibility to act cautiously.

Negligence Case

A legal case involving a failure to behave with the level of care that someone of ordinary prudence would have exercised under the same circumstances, resulting in harm or damage.