A cork of mass 10g is floating on water
Asked by admin @ in Physics viewed by 441 People
;:-[A cork of mass 10 g is floating on water. Net force
on the cork is :-(1) 10 N(2) 10-3N(3) 10-2 N(4) Zero
Answered by admin @
Weight mg acts downwards
So it should sink into water
But it is floats
It means an equivalent force acting on it in opposite direction
This force is exerted by water is called buoyancy
so netforce =weight -buoyancy=0Newton
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