Question

व्हाट इज रिएक्शन व्हाट इस फ्रिक्शन​

Answer 1

Answer:

Friction : - the rubbing of one surface or thing against other .

Reaction :- A process in which one or more substances, the reactants , are converted to one or more different substances , the product.

Substances are either chemical elements or compounds.

MARK AS BRAINLIST PLEASE.

Explanation:

.

Answer 2

Answer:

When any two surfaces are in contact, a contact force is exerted between the surfaces. Normal reaction is the component of the contact force normal to the contact surface.

For example, for a block placed on ground, the ground exerts an upward normal reaction force on the block.