Answer
The force of the 5-kg ball on your finger matches its weight, 50 N.
Pressure =$\frac {50 N}{1 cm^{2}} = \frac {50 N}{1 cm^{2}} \times \frac{10000 cm^{2}}{1 m^{2}} = 500 kPa$.
Conceptual Physics (12th Edition)
by Hewitt, Paul G.
Published by
Addison-Wesley
ISBN 10:
0321909100
ISBN 13:
978-0-32190-910-7
Chapter 13 - Think and Solve - Page 260-261: 38
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