Nitika is cutting fruits for her grandmother and he is ill. She finds it difficult to cut fruits. She sharpens the cutting edge of the knif and cuts the fruits easily.
a) How does he sharpening the knife help in cutting the objects easily?
b) What can we learn from Nitika?
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sharpening knife reduce the area hence increase the force which cut the apple easily.
randhir4686p6o4v4:
and b)
ok
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