Bhavnesh posted an Question
August 29, 2020 • 00:36 am 30 points
  • IIT JAM
  • Physics (PH)

Q. two masses m each, are placed at the point (x,y): (a,a) and (-a, -a) and two masses 2m, each are placed at points (a, -a) and (-a, a) the principal moments o

Q. Two masses m each, are placed at the point (x,y): (a,a) and (-a, -a) and two masses 2m, each are placed at points (a, -a) and (-a, a) The principal moments of inertia of the system are (A) 2ma2, 4ma? (B) 4ma2, 8ma2 (C) 4ma2, 4ma? (D) 8ma?, 8ma2

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    Ravi prakash yadav best-answer

    see the attachment. Note- for this system,we will have three moment of inertia but in question only two principal moment of inertia have been asked.I have calculated all three and then after matching with the options,B is the correct one.

    cropped4056221592235081027.jpg
    cropped1871619469090610936.jpg
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