What is the mechanical advantage of a
machine that exerts a force of 160 N on
an object when a person exerts a force of
20 N on the machine?

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

How does the entropy of steam compare to the entropy of ice?