KPSC KAS 2017 · Question 181 of 200

With a blunt knife, cutting a vegetable is relatively difficult than with a sharp knife because, for the same force

General Science

AThe area under the knife edge is lesser in the case of blunt knife
BThe pressure applied on the vegetable is lesser in the case of blunt knifeCorrect
CThe pressure applied is less in the case of a sharp knife
DThe pressure applied is more in the case of a blunt knife

Answer: B. The pressure applied on the vegetable is lesser in the case of blunt knife

For the same force, a blunt knife's wider edge gives a larger area and hence lesser pressure than a sharp knife.

Source: KPSC Gazetted Probationers Prelims 2017, Paper-II (General Studies, subject code 262), Series A

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KPSC KAS 2017 · Question 181 of 200

General Science

AThe area under the knife edge is lesser in the case of blunt knife
BThe pressure applied on the vegetable is lesser in the case of blunt knifeCorrect
CThe pressure applied is less in the case of a sharp knife
DThe pressure applied is more in the case of a blunt knife

For the same force, a blunt knife's wider edge gives a larger area and hence lesser pressure than a sharp knife.

Source: KPSC Gazetted Probationers Prelims 2017, Paper-II (General Studies, subject code 262), Series A

Practice the full KPSC KAS 2017 paper

Timed test with all 200 questions, just like the real exam.