Answer:
when a substance is cool the particles in the substance contracts, but when heated the particles expand and pressure becomes high that way the particles tend to move faster in the container, in other to escape.
Answer:
walk to work, carpool to work, drive alone to work
Explanation:
Thermal energy from friction. ... All the work done by the friction force results in a transfer of energy into thermal energy of the box-floor system. This thermal energy flows as heat within the box and floor, ultimately raising the temperature of both of these objects. Figure 1: Man pushing a box opposed by friction.