A wire of length 2 m and area of cross-section 1 mm² stretches by 1 mm under a load of 100 N. Calculate Young's modulus.

What is surface tension and why do small liquid drops take a spherical shape?

What is capillary rise, and why does water rise in a capillary tube while mercury falls?

State Hooke's law and define Young's modulus.

State Bernoulli's theorem and give one application.

State Stokes' law and define terminal velocity.

Distinguish between streamline and turbulent flow, and state what decides which occurs.