Question

Differentiate external and internal work.​

Answer 1

Answer:

For our purposes, we will simply say that external forces include the applied force, normal force, tension force, friction force, and air resistance force. And for our purposes, the internal forces include the gravity forces, magnetic force, electrical force, and spring force

Answer 2

Answer:

External force are forces caused by external agent outside of the system . Internal forces are forces exchanged by the object in system.