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sir explain why a ball bounces back when it is thrown towards a wall?
Dear Student
It is because of newton's 3rd law
Every action has equal and opposite reaction.
Ball exert a force on wall in turn wall also exert same amount of force on ball.
All the best. AKASH GOYAL AskiitiansExpert-IIT Delhi Please feel free to post as many doubts on our discussion forum as you can. We are all IITians and here to help you in your IIT JEE preparation. Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian. Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar..
All the best.
AKASH GOYAL
AskiitiansExpert-IIT Delhi
Please feel free to post as many doubts on our discussion forum as you can. We are all IITians and here to help you in your IIT JEE preparation.
Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.
Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar..
A ball has kinetic energy when thrown towards wall
now after collision with the wall the next motion depends on how the energy is transferred and where, because energy is always conserved and can't just disappear
the wall of course doesnt move and no sufficient heat is produced to compensate loss of kinetic energy
hence ball has to continue moving but by newtonian mechanics it is clear that it will move backwards coz wall exerts equal n opp. force on it
so ball bounces backwards and if it is perfectly rigid it will do so with the initial speed
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