Question

Specify two differences between internal and external forces

Answer 1

External forces are forces caused by external agent outside of the system.Internal forces are forces exchanged by the objects in the system. 
external forces have acceleration n internal forces don't have

Answer 2

Answer:

The internal and external force depends on the system in which force is applied.

Explanation:

Two major differences between internal and external forces are as following:

• Forces that are applied within the system are called internal forces while the forces applied outside the system are called external forces.
• Internal forces are caused by the exchange of forces within the system while external forces are caused by the external agent present outside the system.

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