Question

व्हाट इज फ्रिक्शनल फोर्स​

Answer 1

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.

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Answer 2

Answer:

V

Explanation:

You are provided with three test tubes A, B and C with different liquids. When you put a China

Rose indicator in the three test tubes you observe that

i) the liquid in the test tube A does not change its colour.

ii) the liquid in the test tube B changes to magenta.

iii) the liquid in the test tube C changes to green.

Identify the nature of liquids in each of the test tubes.