How is water molecule like a magnet?

An object starts from rest at point f and speeds up continuously as it moves around an oval. a. choose a point about 1/8 th of the way around the oval from point f, and label it point g. draw a vector to represent the velocity of the object at point g. b. determine the change in velocity vector   between points f and g.

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

Idon’t quite understand this problem