2. The centripetal force on a car rounding a curve on a level road is provided by a. gravity
b. friction between its tires and the road
c. the force applied to its steering wheel
d. its brakes

1/0.14nm = 10^10/1.4 a lot

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.