Share Large Files Without Uploading

Why is it unethical to share copyrighted files with your friends?

In Private Ltd. Company can the allotment of shares be done without receiving minimum subscription?

A spheres carrying charge 0.01C is kept at rest without falling down ,touching a wall by applying an electric filed 100N//C .If the coefficient of friction between the sphere and the wall is 0.2 the weight of the sphere is

Gene pool of a population tends to remain stable if the population is large, without large scale mutations, without migration and with

Gene pool of a population tends so remain stable is the population is large, without large scale mutations, with-out migration and with