Science, asked by mohdkabir9278, 3 months ago

Q20. To sharpen the blade of a knife by
rubbing it against a surface, we will prefer
a stone. Can you identify the reason."
O (A)It exerts greater muscular force
(B) It exerts greater frictional force
O (C)lt exerts greater magnetic force
O (D)It exerts greater electrostatic force

Answers

Answered by MONICA2021

0

(B) It exerts greater frictional force.

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