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Energy conservation

Kinetic and Potential Energy

The kinetic energy of an object is the energy that it possesses due to its motion.

The potential energy is the energy that an object has due to its position in a force field. The gravitational potential energy is due to the relative height of the object.

Whach the next video:

 

 

 

 

 

Mechanical energy conservation

Play with the skater and observe the energy transformation:

 

Problems

Do the problems in the next link (http://www.physicsclassroom.com/class/energy/Lesson-2/Application-and-Practice-Questions) and check the solutions.

Short url:   http://multidict.net/cs/3996