Mechanical Properties of Fluids — Physics STD 11 Science — Question

Is circular motion possible at constant speed or constant velocity? Explain

Would we have more sugar to the kilogram at the pole or at the equator?

What are the forces which make any process irreversible?

Define non-uniformly accelerated motion.

Is it always true that the molecules of a dense liquid are heavier than the molecules of a lighter liquid?

Why do we call Physics an exact Science?

The density of a rod AB continuously increases from A to B. Is it easier to set it in rotation by clamping it at A and applying a perpendicular force at B or by clamping it at B and applying the force at A?

On what factors does the efficiency of a reversible engine depend?

What provides the centripetal force in the following cases?

1. Electron revolving around the nucleus.
2. Earth revolving around the sun.