An object applies force of 500n on the area if 10m². find the force exerted

What are similarities and differences between refraction, reflection, diffraction and absorption?

The necleus of an atom is made up of what subatomic particles?

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly