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Please tell me how to solve this question

Plz solve this question someone.....
A rod of 8 kg is movable in a vertical plane about a hinge at one end, another end
is fastened a weight equal to half of the rod, this end is fastened by a string of
length / to a point at a height b above the hinge vertically. Obtain the tension in the string.
RBI Grade B officer

Comments

  • Tension to kaafi hogi string me....... :p
  • edited October 2016

    Plz solve this question someone.....
    A rod of 8 kg is movable in a vertical plane about a hinge at one end, another end
    is fastened a weight equal to half of the rod, this end is fastened by a string of
    length / to a point at a height b above the hinge vertically. Obtain the tension in the string.

    Is it 117.72(3b-l)/(b+l)
    Not sure buddy..i may be wrong..just calculated it..
    If d answr is true- thn 1st calculate COM and then height weight calculation and rotational acceleration irt d height..then tension..
  • 8(L/b) kg
    A Lion doesn't concern himself with the opinions of the sheep.
  • 8(L/b) kg

    Thanks.
    RBI Grade B officer
  • Answer is 8l/b.
    You just need to equate total moment of force w.r.t. hinge as zero and for one more relation use property of triangle.
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