An elevator is moving up at a constant velocity of 2.50 m/s, as illustrated in the diagram below:The man has a mass of 85.0 kg.
How large is the force that the floor exerts on the man?

In what direction does an applied force move an object

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

Newtons view of arrangement of the universe