Question

Two forces F1=6i-3j and F2 =6i-9j are acting upon a body of mass 5 Kg. Then find the force F3 which when acting on the body will make it stable.​

Answer 1

Answer:

-12i + 12j

Explanation:

total force acting on body is f1 + f2

f1 + f2 = 6i - 3j + 6i -9j

total force = 12i - 12j

to make it stable we must apply an equal force in opposite direction

so -(12i - 12j) = f3

-12i + 12j

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