ACTION REACTION FORCES | REACTION FORCES | CONTACT FORCES

Most simplified basic biomechanics discussion on the action reaction forces or reaction forces or interaction pair. Action reaction forces are forces that exists whenever two objects contact each other. When two objects contact each other if object A exerts a force on second object B then object B must also exert a force which is equal and opposite on object A. This forces are known as interaction forces or reaction forces or simply action reaction forces. They are based on concepts of newtons third law which states every action have an equal and opposite reaction.This are part of joint structure and function biomechanics or basic biomechanics topics.
The characteristic features of action reaction forces are:
1. They exist between two contacting objects
2. Whenever two objects contact each other they must exert contact forces
3: They are in same line and opposite two each other
4. Since they are acting on two objects they dont form part of any force system
5. They cannot be resolved.
Contact force is a special case of action reaction force or interaction force. Watch lecture to know more....
For doubts and notes.............
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TONY JOSEPH
ASSISTANT PROFESSOR
KANNUR MEDICAL COLLEGE

[@dr.aakanshabaruah]

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