samigupta8
  • samigupta8
an object of mass 2 kg is placed at rest in a frame (S1) moving with velocity 10i+5j m/s and having acceleration 5i+10j m/s^2.This object is also seen by an observer standing in a frame (S2)moving with velocity 5i+10j m/s. 1).Calculate pseudo force acting on object.Which frame is responsible for this force. 2). Calculate net force acting on object with respect to S2 frame 3). Calculate net force acting on object with respect to S1 frame
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Ok.. ll give you a hint acceleration is ABSOLUTE.. not relative .. ergo.. force is ALSO ABSOLUTE.. so regardless of which frame you are in.. the force is the same.. hence 2) and 3) should have same answer!
samigupta8
  • samigupta8
no it's not correct they both hve different answer
anonymous
  • anonymous
ahh.. is the third one zero?!

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More answers

samigupta8
  • samigupta8
yaa
anonymous
  • anonymous
ahh.. thats nonsense actually :P..
samigupta8
  • samigupta8
what?//
anonymous
  • anonymous
oh.. well.. maybe the context is such.. !!
anonymous
  • anonymous
oki fine.. lemme not confuse you then!!
anonymous
  • anonymous
imagine you are in frame 1.. you would see the box to be at rest right??
samigupta8
  • samigupta8
yaa
anonymous
  • anonymous
thus.. u see the net force to be zero!
samigupta8
  • samigupta8
but same should be the case with respect to s2 frame also
anonymous
  • anonymous
why!? when u are in frame s2.. you see the box accelerating don't u!? .. cause frame 1 is accelerating.. !
samigupta8
  • samigupta8
okk...
samigupta8
  • samigupta8
then how to calculate that force w.r.t to s2 frame
anonymous
  • anonymous
force = mass times acceleration!
samigupta8
  • samigupta8
yaaa
samigupta8
  • samigupta8
but u cannot multiple a vector quantity with a scalar one
anonymous
  • anonymous
you can!..
samigupta8
  • samigupta8
then u want to say that the answer is 10i+20j N
samigupta8
  • samigupta8
bt wt about answer of part 1
anonymous
  • anonymous
its the same answer.. when u are in frame 1.. you feel that same pseudo force on yourself!
anonymous
  • anonymous
but.. opposite in direction
samigupta8
  • samigupta8
bt why is it that the magnitude is same
samigupta8
  • samigupta8
how can it be possible that it's magnitude is the same and direction is opposite to that of the force on object with respect to frame s2

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