Use the Parallelogram Rule to Find the Magnitude of the Resultant

question 207

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.
-A box weighing $77 \mathrm { lb }$ is hanging from the end of a rope. The box is pulled sideways by a horizontal rope with a force of $28 \mathrm { lb }$ . What angle, to the nearest degree, does the first rope make with the vertical?

• A) \(10 ^ { \circ }\)
• B) \(20 ^ { \circ }\)
• C) \(30 ^ { \circ }\)
• D) \(40 ^ { \circ }\)

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