What does physics means to you. (own words)

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.