Question

give one example of unbalanced force

Answer 1

If you push against a wall, the wall pushes back with an equal but opposite force. Neither you nor the wall will move. Forces that cause a change in the motion of an object are unbalanced forces. One example is if an object that was once at rest and now moving.

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Answer 2

When u push the wall than the wall will exert equal and opposite force but the wall will not move. This is unbalanced force