The Law of Conservation of Energy states that the total energy of an isolated system...

...can be created from nothing.

As a ball falls freely under gravity, neglecting air resistance, what primary energy transformation takes place?

Kinetic energy is converted to potential energy.

Potential energy is converted to kinetic energy.

Chemical energy is converted to kinetic energy.

Thermal energy is converted to potential energy.

The law of universal gravitation

The law of conservation of momentum

...additional potential energy.

Translational symmetry in space

Trivia · Knowledge

Test your knowledge on the fundamental principle that energy can neither be created nor destroyed, only changed from one form to another.0 takes

Preview · 10 questions

01The Law of Conservation of Energy states that the total energy of an isolated system...
02As a ball falls freely under gravity, neglecting air resistance, what primary energy transformation takes place?
03In most real-world mechanical systems, some energy is inevitably converted into what form due to friction?
04Einstein's mass-energy equivalence principle, E=mc², demonstrates that mass itself is a form of what?
05The first law of thermodynamics is essentially a restatement of which principle?
06In a hydroelectric dam, what is the primary initial form of energy that is converted into electrical energy?
07When you burn wood, the chemical energy stored in the wood is converted primarily into which two forms of energy?
08A bouncing ball never returns to its original height because some of its mechanical energy is converted into...
09According to Noether's theorem, the law of conservation of energy is a direct consequence of which fundamental symmetry?
10Which of the following is a unit of power, not energy?