1.

A man of mass 50 kg carries a bag of weight40 N on his shoulder. The force with which the floorpushes up his feet will be(1) 882 N(3) 90 N(2) 530 N(4) 600 N

Answer»

weight of man = 50*9.8 = 490N

and weight of bag = 40N

so, total weight exerted by floor is reaction force of (490+40) = 530N

option 2.



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