What is the requirement for a force to come into play?
What is the magnitude of the resultant force when two forces act in same direction?
What will be the magnitude of the resultant force when two forces act in opposite directions on an object?
What happens in a game of tug of war, when two teams pull equally hard?
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A push or pull on an object is called Force. That is an external force acting on the body is called force. Force can act to either change the state of an object or its shape.