Which of the following sets of forces acting simultaneously on a particle keep it in equilibrium?
a) 3N, 5N, 1ON
2) 4N, 7N, 12N
3) 2N, 6N, 3N
4) 5N, 8N, 1N
When we have three forces acting simultaneously on a particle, the particle is in dynamic or static equilibrium if the three forces are in balance, the geometry of the forces is such that they form a closed triangle or polygon in general. Only the sets that are capable of this can establish equilibrium at certain angles.
Answer and Explanation:
The forces are in equilibrium if they can make a triangle. The geometric condition of a triangle is that the longest side must be less than the sum of...
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fromChapter 3 / Lesson 23