Explain how can a body be simultaneously at rest and in motion?

When is a body said to be in rest and motion ?

Can a body be said to be at rest as well as in motion at the same time?

Give an example for simultaneous translatory and rotatory motion of a body

Explain how normal forces act on a fluid at rest.

Explain when a body is said to be in oscillatory motion .

Can a body be said to be at rest as well as n motion at the same time .Explain .

If the net external force acting on a body is zero, then the body at rest continues to remain at rest and a body in motion continues to move with uniform motion. What is the name given to this property of the body?