Isaac newton’s investigations of gravity explained which of the following? a. earth is not the center of the universe. b. jupiter has more moons than earth. c. gravity acts on all objects in the universe. d. the sun is more massive than earth.

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.