Question

Explain the principle on which plastic suction hook sticks to the smooth surface?​

Answer 1

Answer:

Suction cups works on principle of vaccum . It removes some air from the covefed surface and only little amount of air is present in it. Thus the atmospheric pressure working on it is large.

Explanation:

Suction cups works on principle of vaccum . It removes some air from the covefed surface and only little amount of air is present in it. Thus the atmospheric pressure working on it is large.

Answer 2

Answer:

I don't know the anwer of this