The total energy of motion in the particles of a substance is called a) heat b) temperature c) light d) sound

Explanation:

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.