14.When a force of 770 N acts on a circular disc of radius 7 cm, it produces pressure of Required to answer. Single choice.
a. 0.5 KPa
b. 5 KPa
c. 50 KPa
d. 500 KPa
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14.When a force of 770 N acts on a circular disc of radius 7 cm, it produces pressure of Required to answer. Single choice.
a. 0.5 KPa
b. 5 KPa
c. 50 KPa
d. 500 KPa
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