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Crushing a walnut
- Mr Thinktivity
- Mar 26, 2016
- 1 min read
Why can't we crush a walnut with one hand, but can crush two walnuts if we hold them both in one hand and squeeze?
Answer: Two walnuts means the area where a force is applied decreases (less amount of surface is touching the shell), so for any constant force the pressure applied is greater when two walnuts are held together.
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