Recent content by conscience

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    Volume ratio in an adiabatic gas expansion

    @Granger , You need to have some patience and little more decency if you wish to interact on this forum . You are wrong on several accounts . 1) You said , TSny is vague . I don't think so . You asked for a hint . He gave you a hint . You might not have found that hint helpful . In that case...
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    Yes
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    Looks alright .
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    You are quite distracted by the acceleration of the massless pulley :cool: . The original problem asks you to calculate accelerations of the two masses , not the acceleration of the pulley :mad:. You do not need acceleration of the pulley to determine acceleration of the two masses .It's the...
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    No . F is not given to you :oldgrumpy: . You are only given acceleration of the pulley .Please read the question again in post#15 . Let us discuss this part later after you have completed the original question . Think about the three values of forces given to you .
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    Yes . But remember all what we have discussed so far is under the assumption that sufficient force is acting on the pulley such that both the masses are in air . Go back and read the question again . You have been given three forces . Now think , why are three different forces given to you .
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    OK . Instead of force F acting on the pulley consider the pulley accelerating upwards with acceleration a = 10ms-2 and same masses as given in the OP , find the acceleration of the two masses ?
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    Yes . Now , from the constraint relation you can find the acceleration of the pulley :smile: . But since you are too eager to work from an accelerating frame ,would you like me to give you an exercise ?
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    Then please do that . Two steps and you get the answer :smile:
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    You can find pulley's acceleration after you calculate acceleration of the two masses :smile: Have you solved this problem from ground frame ?
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    No . This is not the acceleration of the pulley ?:) .
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    @IssacNewton this is a much simpler problem then you are thinking . Perhaps the moving pulley has thrown you off :wink: .
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    No . Fictitious force is given by mass of the object times acceleration of the frame of reference , acting in the direction opposite to the accelerating frame .
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    Calculating Accelerations in an Atwood Machine with an Applied Force

    Fictitious force acting on the two masses will be different .
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    Conceptual questions about Newton's Laws....

    OK :smile: