Kinesins moving along microtubules usually carry cargo such as organelles and vesicles from the center of a cell to its periphery. Dyneins are important in sliding microtubules relative to one other during the beating of cilia and flagella on the surfaces of some eukaryotic cells.
#1A coiled spring a a raised weight a fist before it is thrown
#2 potential is Gravity pulling on a rock to make it fall and Kinetic is movement, someone running
#3 that is Potential energy.