Three concurrent forces act as shown in Figure 5.24. If the forces are in equilib-
rium and F2 = 15N, what is the magnitude of F1?
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Answered by
1
Answer:
Explanation:According to the triangle law of forces, resultant of given forces, sum of any two forces is greater than or equal to the third force.
Case A: F
1
+F
3
<F
2
......cannot be in equilibrium
Case B: F
1
+F
2
<F
3
......cannot be in equilibrium
Case D: F
1
+F
2
<F
3
......cannot be in equilibrium
Case C: F
1
+F
2
≥F
3
; F
1
+F
3
≥F
2
; F
3
+F
2
≥F
1
Only case C is following the required criteria.
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