Question

please give answer with proper explanation.

Answer 1

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The answer is d)

For a body to be in equilibrium, the net force acting on it must be 0. This means that summation of all forces on the body must be 0.
In the question, there are two options in which summation of F is not equal to 0, and can be possibly correct.
However, if there is a net unbalanced force, there must also be a torque or moment of force for the body to lose its equilibrium. So, both summations of force and torque must not be equal to 0. This is why the correct option is D.

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