 #1
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 Homework Statement:

Hi I am stuck on part ii of this question i keep ending up with equations with three unknown variables and don't know how to solve it, any help would be massively appreciated!
Thanks
 Relevant Equations:
 F=md
50n×1.2 +1.3×Rd =1000g×0.3
Im not too sure, I dont really see what effect it would have on it, from the answer Im guessing it doubles the force but dont know how they got to that conclusionWell there's not really much difference anyway
So you have correctly calculated that the four sailors exert a force of 1,200N at a distance 1.5m from the centre of the capstan (this is a torque of 1,800Nm). You have been provided with the diameter of the capstan drum, what difference do you think that makes to the tension in the cable?
Please, see:Im not too sure, I dont really see what effect it would have on it, from the answer Im guessing it doubles the force but dont know how they got to that conclusion
Don't use F for a moment, that will confuse everyone!I would assume from the numbers 0.5 T=F as R=0.5 which equals the distance from the cable to the centre but I would have thought that T=0.5 F not the other way round
No problem  and this is all there really is to solving problems using moments/couples/torques, so you can't say you don't understand it any more!Ohh ok i see I didnt realise the forces were balancing out but looking back through the question I can see now
that the moments have to be equal thank you so much you've been a massive help!