Use the Parallelogram Rule to Find the Magnitude of the Resultant

question 106

Multiple Choice

Use the parallelogram rule to find the magnitude of the resultant force for the two forces shown in the figure. Round to
one decimal place.
-Starting at point $\mathrm { A }$ , a ship sails $57 \mathrm {~km}$ on a bearing of $186 ^ { \circ }$ , then turns and sails $35 \mathrm {~km}$ on a bearing of $303 ^ { \circ }$ . Find the distance of the ship from point $\mathrm { A }$ .

• A) \(92 \mathrm {~km}\)
• B) \(52 \mathrm {~km}\)
• C) \(- 5 \mathrm {~km}\)
• D) \(87 \mathrm {~km}\)

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Definitions:

Working Memory

An active system that processes the information in short-term memory.

Central Executive

A component of working memory model that oversees and regulates the flow of information from and to its subsidiary systems.

Baddeley

A reference to Alan Baddeley, a psychologist best known for his work on the model of working memory.

Maintenance Rehearsal

A cognitive process involving the repetition of information to keep it within working memory or to store it in short-term memory.