Give the dimensional formula for surface energy, moment of inertia, angular- velocity and gravitational force.

The dimensional formula for the surface tension is

The dimensional formula of angular momemtum is

The dimensional formula for universal gravitational constant is

Establish a relation between angular momentum, moment of inertia and angular velocity.

Establish a relation between moment of inertia and angular momentum.

Give two characteristics of gravitational force.

Gravitational force on the surface of the moon is only 1/6 as strong as gravitational force on the earth. What is the weight in newtons of a 10 kg object on the moon and on the earth?

When a simple pendulum is rotated in a vertical plane with constant angular velocity centripetal force is

Establish a relation between angular momentum and moment of inertia.

The fundamental units which has same power in the dimensional formula of surface tension and viscosity is