A block is resting on a incline when the angle of an incline increases what happens to the normal support force on the block ?
A. It stays the same
B. It increases
C. It decreases

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system