If the unit of force is 1 kilo newton, the length is 1 km, and time is 100 second what will be the unit of mass? (1) 1000 kg (2) 1 kg (3) 10000 ka (4) 100 kg

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Dimentional focmula of forke in [ [F]=left[M L T^{12}right] ] thende: ( M=left[begin{array}{ll}f & tau^{2} / Lend{array}right] ) Ginen witt of toece ( (F)=1 ) Kilo new ton [ =1000 N ] Whit of cength ( [L]=1 k m=1000 mathrm{m} ) Whit of twine ( [T]= ) Ioosec Putling all these values in ( M ) ( M=frac{1000 times 100^{2}}{1000}=100^{2}=10000 mathrm{kg} ) Kenle unit of mass is looookg

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