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Which best summarizes a concept related to the work-energy theorem?
When work is positive, the environment does work on an object.
When work is negative, the environment does work on an object.
O When work is positive, the kinetic energy in a system remains constant.
When work is negative, the kinetic energy in a system remains constant.

Respuesta :

Answer: When work is positive, the environment does work on an object

Explanation:

The correct option is a)When work is positive, the environment does work on an object.

What is positive and negative work done ?

If work is done on the system , positive work is done on the system because energy enters the system in case of positive work done .If work is done by the system , work done will be negative

According to work energy theorem , change in kinetic energy is equal to work done . when energy enters in the system that means final energy is greater than the initial energy of the system , which implies positive work is done on an object .

this implies , correct option is a)When work is positive, the environment does work on an object.

learn more about positive and negative work done :

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