Question

External and intarnal force

Answer 1

Answer:

External forces are forces caused by external agent outside of the system. Internal forces are forces exchanged by the objects in the system. To determine what part should be considered external and internal, mechanical system should be clearly defined

Answer 2

External forces are forces caused by external agent outside of the system.

Internal forces are forces exchanged by the objects in the system.

To determine what part should be considered external and internal, mechanical system should be clearly defined.

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