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When does equilibrium occur in a system of concurrent forces according to the polygon law of forces?
9. When does equilibrium occur in a system of concurrent forces according to the polygon law of forces?
- When the forces are non-concurrent
- When the forces are equal in magnitude
- When the forces are parallel
- When the closing side of the polygon becomes zero
Answer
The correct answer is: D) When the closing side of the polygon becomes zero
Explanation
When the closing side of the polygon becomes zero