Which of the following would cause the force of kinetic friction to increase? A. A decrease in the normal force
B. An increase in us
C. A decrease in lk
D. An increase in the normal force

Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings