Question

when a body is stationary
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Answer 1

HEY MATE HERE IS YOUR ANSWER

For the body to be stationary, net external force acting on it must be equal to zero which is possible only when the combination of forces acting on it balance each other.

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Answer 2

Answer:

ANSWER

If the net external force acting on the body is zero, the body either remains at rest or move with constant velocity. Hence, if the given body is stationary, the net forces acting on it balance each other.