Why do the words shake well before using indicate that the fruit juice in a carton is in suspension? why are these words not used on a milk container?

ice to water 1 water to vapour 2 latent heat

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.