Question Number 139390 by abenarhodym last updated on 26/Apr/21
$${a}\:{uniform}\:{pole}\:\mathrm{30}{m}\:{and}\:{weight}\:\mathrm{40}{kg}\:{is}\:{carried}\:{at}\:{P}\:\:{by}\:{John}\:{and}\:{Ama}\:\mathrm{8}{m}\:{away}\:{from}\:{Q}.\:{Find}\:{the}\:{distance}\:{from}\:{P}\:{where}\:{a}\:{mass}\:{of}\:\mathrm{20}{kg}\:{should}\:{be}\:{attached}\:{so}\:{that}\:{Amas}\:{support}\:{is}\:{twice}\:{that}\:{of}\:{John}\:{if}\:{tbe}\:{system}\:{is}\:{in}\:{equilibrim} \\ $$