how can we walk even when action and reaction are equal in magnitude and opposite in direction?
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b'coz they are acting on two different bodies they dont cancel each other
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hii...
This was the same thing I was obsessed with when I studied Newton’s Third Law. I surfed the web up and down then, in search of an answer, and here I am presenting the same in my words.
( Spoiler: The problem is with the incomplete definition of the third law in most textbooks. )
Now,
“ For every action, there is an equal and opposite reaction ”
But what if I say this definition is incorrect or more specifically, incomplete!
The law is better stated this way:
“ For every action, there is an equal and opposite reaction and they act on two different bodies ”
Yes!
Take an example: If you’re jumping on a trampoline, you exert a force on the trampoline (the action) and the trampoline exerts a force on you (the reaction).
So,
You do the action on the trampoline andTrampoline reacts with an equal and opposite (you push it down, it throws you up) force on you!
Hence, the equal and opposite forces act on two different participating objects, and thus they don’t cancel out.
Law III:
To every action there is always opposed an equal reaction: or the mutual actionsof two bodies upon each other are always equal, and directed to contrary parts.
In a nutshell, the two forces act on different bodies and hence have no place to cancel out. This diagram of mine may help you:
Hope your doubt is clarified. Still, if something yet confuses you in this, do comment and let me help you!
This was the same thing I was obsessed with when I studied Newton’s Third Law. I surfed the web up and down then, in search of an answer, and here I am presenting the same in my words.
( Spoiler: The problem is with the incomplete definition of the third law in most textbooks. )
Now,
“ For every action, there is an equal and opposite reaction ”
But what if I say this definition is incorrect or more specifically, incomplete!
The law is better stated this way:
“ For every action, there is an equal and opposite reaction and they act on two different bodies ”
Yes!
Take an example: If you’re jumping on a trampoline, you exert a force on the trampoline (the action) and the trampoline exerts a force on you (the reaction).
So,
You do the action on the trampoline andTrampoline reacts with an equal and opposite (you push it down, it throws you up) force on you!
Hence, the equal and opposite forces act on two different participating objects, and thus they don’t cancel out.
Law III:
To every action there is always opposed an equal reaction: or the mutual actionsof two bodies upon each other are always equal, and directed to contrary parts.
In a nutshell, the two forces act on different bodies and hence have no place to cancel out. This diagram of mine may help you:
Hope your doubt is clarified. Still, if something yet confuses you in this, do comment and let me help you!
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Anonymous:
ur mst wlcm dear
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