Which of the following is an application of Newton's Third Law of Motion? A. A skydiver falls away from a plane toward the ground.
B. A truck accelerates more slowly when it is fully loaded than when it is empty.
C. A ball sits on the ground until a player kicks it. The nonzero net force sets the ball in motion.
D. A rocket can accelerate when it pushes gas backward. The reaction force pushes the rocket forward.

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.