Question

how many object should be present for a force to come into a play​

Answer 1

Answer:

one object

Atleast one object must be present to let force come into play. Example: the magnetic field of earth exerts a magnetic force on a compass needle and deflects it or make it point always towards the north. Here, the magnetic needle is the object.

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Answer 2

Answer:hope it helps

Explanation:

For a force come into play at least two objects must interact. Force is a push or a pull that is acting on a body. Interaction of one object with other results in a force. If there is no interaction then there will no force acts.

Force, F=mass×acceleration