Explain the work-energy theorem, including the direction energy moves and how it relates to positive and negative work

Explanation:

The work-energy theorem states that the change in the kinetic energy is equal to the amount of work done.

Energy is ability to do work. To perform work, energy has to be spent.

Work is said to be done whenever the force is applied to an object then the object is moved to a certain distance.

When the displacement and the force applied are in an opposite direction then the work done is negative. for example, when a break is applied by a moving car.

When the displacement and the force applied are in same direction then the work done is positive. For example, the car is moving.

the part of the wave he is travelling on is the crest

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explanation:

physics means: "the branch of science concerned with the nature and properties of matter and energy. the subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms."