JEE Main Physics question

Which of the following groups of forces could be in equilibrium?

(A)3 N, 4 N, 5 NCorrect
(B)4 N, 5 N, 10 N
(C)30 N, 40 N, 80 N
(D)1 N, 3 N, 5 N

Answer: (A)

Solution

Three concurrent forces can be in equilibrium only if they satisfy the triangle inequality (any two must sum to more than the third, so they can form a

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Question ID VK-153298