Three Forces, ₁

question 37

Multiple Choice

Three forces,
₁,
₂,and
₃,all act on an object,as shown in the figure.The magnitudes of the forces are: F₁ = 80.0 N,F₂ = 60.0 N,and F₃ = 40.0 N.The resultant force acting on the object is given by

• A)180 N at an angle of 60.0° with respect to +x-axis.
• B)60.0 N at an angle of 90.0° with respect to +x-axis.
• C)20.0 N at an angle of 34.3° with respect to +x-axis.
• D)35.5 N at an angle of 34.3° with respect to +x-axis.
• E)40.0 N at an angle of 60.0° with respect to +x-axis.

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