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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The Force exerted on a surface per unit area is called pressure. Pressure = Force /Area Pressure is inversely proportional to the area on which it is applied. That is, when the area is increased the pressure exerted by applying a force is less.