Question

What do you mean by normal reaction???

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Answer 1

Answer:

every action has a equal and opposite reaction. Physical reaction changes physical properties while chemical reactions alter chemical properties

Answer 2

Answer:

A force acting perpendicular to two surfaces in contact with each other. ... If weight is the only vertical force acting on an object lying or moving on a horizontal surface, the normal reaction force is equal in magnitude, but opposite in direction to the weight.

Explanation:

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