Question

what are concurrent forces prove that under the action of three concurrent forces F1 F2 and a body will in equilibrium if F1 + F2 + F3 = 0

Answer 1

Answer:

Since force is a vector quantity which is added and subtracted though vector algebra.

According to the question,

f1 f2 and f3 are the forces acting on the object but still the object is at equilibrium. Therefore, the three forces must be balanced each other, that is the net force acting on the object is 0.

In vector, if the resultant of 3 forces is 0 then their sum is also 0

So f1+f2+f3=0

So f1+f2+f3=010+6+f3=0

So f1+f2+f3=010+6+f3=0f3= –16

The magnitude of f3 is 16N and direction is opposite to f1 and f2

Hope it may help you my dear Mate.

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Answer 2

Explanation:

the forces are balanced each other, so their some is zero

hence,f1+f2+f3=0

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