Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play

(b) Biotic components are the living organism that shapes the ecosystem and comes regularly in contact with each other.

CO2 is acidic oxide. As CO2 comes out of the solution, the acidic character of the solution decreases and as such pH increases.

(b) force of friction

The force changes the shape of the dough.

Electrostatic force. The balls have similar charges. They move away due to repulsion between similar charges.

The correct answer is : Yes.

Yes, rolling friction. If an air cushion is introduced between the wheel and the rails, the friction will decrease.

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Angle of contact between a liquid and a solid is defined as the angle enclosed between the tangents to the liquid surface and the solid surface inside the liquid, both...