When the Vector Sum of Three Co-Planar Forces $\overrightarrow { \mathrm { A } }$

question 79

Multiple Choice

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

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

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Definitions:

Two-part Tariff

A pricing strategy that involves a fixed fee plus a variable charge based on the amount of goods or services consumed.

Marginal Cost

The financial outlay for making an additional unit of a good or service.

Profit-maximizing

A strategy or process employed by firms aiming to achieve the highest possible profit by adjusting factors such as output, price, and input use.

Demand

Refers to the quantity of a good or service that consumers are willing and able to purchase at various prices during a given period of time.