what do we mean by normal reaction..in physics?
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Normal reaction force or normal force is the the force which acts perpendicular to the plane, on which an object is lying.
e.g. weight of an object resting on a table is balanced by normal force(N) exerted by the table.
N = mg.
Some examples of reaction force:-
Horse pulling a cart
The horse can pull and move a cart by exerting a force on the ground. In turn, the horse experiences a reaction force of equal magnitude in the opposite direction that causes the cart to move in that direction.
In this case, the action force is the force applied by the horse on the ground and reaction force is the force experienced by the horse from the ground.
e.g. weight of an object resting on a table is balanced by normal force(N) exerted by the table.
N = mg.
Some examples of reaction force:-
Horse pulling a cart
The horse can pull and move a cart by exerting a force on the ground. In turn, the horse experiences a reaction force of equal magnitude in the opposite direction that causes the cart to move in that direction.
In this case, the action force is the force applied by the horse on the ground and reaction force is the force experienced by the horse from the ground.
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