Define moment of a force about a point and give the si unit of moment?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)