2. Unlike friction, gravity a. is a force.
b. acts over a distance.
c. acts between objects that are not touching.
d. two of the above

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

Which best describes the difference between internal and thermal energy?