A sharp knife cuts vegetables more easily than a blunt one because the sharp edge

puts the same force on a larger area, giving greater pressureCorrect answerYour answerincreases the force applied by the handCorrect answerYour answerreduces the friction between the knife and the vegetableCorrect answerYour answerputs the same force on a smaller area, giving greater pressureCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer D

Correct answer: D

Pressure = force ÷ area.
A sharp edge has a very small area, so the same push gives a much larger pressure.

Concept: Pressure depends on area
Typical timeTypical: 35 s
Your timeYours: —

The rule this testsMotion, force and pressure

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A sharp knife cuts vegetables more easily than a blunt one because the sharp edge

Explanation