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which of the following is an incorrect statement of one of newton's laws of motion?

a.) a= f/m
b.) the total force of an object is calculated by multiplying its mass times its acceleration.
c.) for every action there is an equal reaction perpendicular to the direction of the force
d.) an object in motion continues in motion unless acted upon by and outside force

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