Question

What is difference between internal and external forces? I want it in simple words for sixth standard

Answer 1

internal force is force within the object and external force is from the surronding to object

Answer 2

the forces that take place inside the surface of the earth are called internal forces. e.g=> an earthquake and volcanic eruption.

the forces that take place on the earth are called external forces. for e.g=> erosion and deposition.