The figure shows two forces acting at right angles on an object. They have magnitudes = 6.3 N and = 2.1 N. What third force will cause the object to be in equilibrium (acceleration equals zero)?

A) 6.6 N at 162° counterclockwise from 1
B) 6.6 N at 108° counterclockwise from 1
C) 4.2 N at 162° counterclockwise from 1
D) 4.2 N at 108° counterclockwise from 1


Answer: A

Physics & Space Science

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