AP Physics 1 Quiz
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A student holds a thumbtack and presses it into a cork with the same 10 N10\,\text{N} force. The tack's point area is 1.0×10−6 m21.0\times10^{-6}\,\text{m}^2 and the flat head area is 1.0×10−4 m21.0\times10^{-4}\,\text{m}^2. Pressure is due to contact force. Where is the pressure greater?
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