A uniform pole 7metres long and weighing 10kg is supported by a boy 2m from...
A uniform pole 7metres long and weighing 10kg is supported by a boy 2m from...
A uniform pole 7metres long and weighing 10kg is supported by a boy 2m from one end and a man 3m from the other end. At what point must a 20kg weight be attached so that the man would support thrice as much weight as the boy?
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