What is not a necessary requirement of the forces in a couple?A They act in opposite directions.B They act along different lines.C They have the same magnitude.D They produce a resultant force.
Question
What is not a necessary requirement of the forces in a couple?A They act in opposite directions.B They act along different lines.C They have the same magnitude.D They produce a resultant force.
Solution
The correct answer is D. They produce a resultant force.
In a couple, the forces are equal in magnitude, opposite in direction and do not act along the same line. This creates a moment or turning effect but no resultant force. The forces in a couple always balance each other out, meaning there is no net force or resultant force.
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