Define internal forces .class 7th from cbse its urgent please help

1.	Define internal forces .class 7th from cbse its urgent please help
Answer» <html><body><p>ong>Answer:</p><p>Internal forces are forces exchanged by the objects in the system. Internal forces may <a href="https://interviewquestions.tuteehub.com/tag/cause-910965" style="font-weight:bold;" target="_blank" title="Click to know more about CAUSE">CAUSE</a> acceleration in different parts of the system but does not cause any acceleration in the <a href="https://interviewquestions.tuteehub.com/tag/center-11455" style="font-weight:bold;" target="_blank" title="Click to know more about CENTER">CENTER</a> of <a href="https://interviewquestions.tuteehub.com/tag/mass-1088425" style="font-weight:bold;" target="_blank" title="Click to know more about MASS">MASS</a> of the entire system. Example: Friction is an external force if the <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a> experiencing friction in the system.</p><p>please <a href="https://interviewquestions.tuteehub.com/tag/mark-555248" style="font-weight:bold;" target="_blank" title="Click to know more about MARK">MARK</a> my answer as brainliest </p></body></html>

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