a uniform metre plank XY of weight 200 N is freely hinged to wall at X. a man of weight 500 N is standing 20 cm from the wall. the plank is held horizontally by the force F acting from Y .calculate the magnitude of the force F.
working is highly appreciated
> Your opinion about the said venue
>Evaluating the positive and negative aspects of the venue
>Making a recommendation as to its suitability for the upcoming conference
...conditions in poor countries? what solution would u suggest?China,which has a terrible problem with overpopulation penalizes families which have more than one child. do u think this is the answer?Singapore encourages people with university degrees to have more children, in the belief that the...