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24-07-2003, 05:17 PM
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Legendary Senior Member
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a stress of 3.2MN m -2 is applied to a sample of material.
this requires a force of 80N. use the following formula to calculate the area over which that force acts. note MN m-2 is equal to N mm-2 so u dont need to do any unit conversions. you will need to rearrange the formula STRESS= FORCE/AREA. |
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