Physics · Pressure and Force
Why does a knife have a sharp cutting edge?
- 1It reduces the contact area, thereby increasing the pressure applied.✓
- 2It increases the contact area, thereby increasing the pressure applied.
- 3It reduces the contact area, thereby reducing the pressure applied.
- 4It increases the contact area, thereby reducing the pressure applied.
Correct answer
It reduces the contact area, thereby increasing the pressure applied.
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