How does energy flow between hotter and cooler objects?
Conduction - directly touching
Convection - flowing fluid (air, water, etc.) over the hot or cool body
Kinetic energy is energy due to motion. The faster an object is moving, the more kinetic energy it has. In the case of hot objects, the hotter an object is, the faster the molecules inside the object are moving around. Hotter objects have individual molecules with higher kinetic energies than those of cooler objects.
According to the second law of thermodynamics which is a requirement for thermal energy to flow from colder objects to hotter objects?
The law says that energy can neither be created nor be destroyed. It can only be transferred from one form to another.... And energy always from higher potential to lower potential... Since hotter object is at high potential and cooler object at lower potential, the heat energy will flow from hotter to cooler object.
Conduction of heat means that two objects with different temperatures are touching each other. The heat of the hotter object generally transfers to the cooler object. In the hotter object, molecules are moving faster. The vibration from these molecules causes the molecules in the cooler object to vibrate faster, which translates into heat.
1. The two objects are to be in thermal contact. This means that everything between the two objects must be a conductor. 2. There is to be a temperature difference between the two objects. One must be hotter than the other. Given these two conditions, heat will pass from the hotter to the cooler object. That is one of the fundamental laws of thermodynamics.
What is energy that flows from an object with a higher temperature to an object with a lower temperature called?
Heat. A hotter (higher temperature) force will always transfer its heat to a cooler (lower temperature) object until the temperature of the two is equal. This is done in three ways: conduction, convection, and radiation. Conduction is when two solids of different temperature are placed next to each other. The vibrating atoms in the hotter solid collide against the atoms in the cooler structure, losing their energy. When this happens, the atoms in the cooler…
In a nature heat only moves from a hotter object to a cooler object How is it possible for a heat pump to remove thermal energy from a cold object and add it to a hotter object?
by Flanders & Swann: ; ; Heat won't pass from a cooler to a hotter : Heat won't pass from a cooler to a hotter ; You can try it if you like but you far better notter : You can try it if you like but you far better notter ; 'Cos the cold in the cooler with get hotter as a ruler : 'Cos the cold in the cooler with get hotter…
Why does thermal energy always move from an object with lower temperature to an object with higher temperature?
Yes! An object with a higher temperature will have a higher amount of thermal (heat) energy. The difference in amounts of thermal energy between a warmer and cooler object can be thought of as the difference in height of 2 coulmns or pillars of marbles. If you were to place a ramp across the 2 pillars and placed a marble on it then it would roll down toward the lower pillar. In the same way…