The pressure exerted by a phonograph needle on a record is

Chapter 5, Problem 12PE

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QUESTION:

The pressure exerted by a phonograph needle on a record is surprisingly large. If the equivalent of 1.00 g is supported by a needle, the tip of which is a circle 0.200 mm in radius, what pressure is exerted on the record in N/m2 ?

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QUESTION:

The pressure exerted by a phonograph needle on a record is surprisingly large. If the equivalent of 1.00 g is supported by a needle, the tip of which is a circle 0.200 mm in radius, what pressure is exerted on the record in N/m2 ?

ANSWER:

Step-by-step solution Step 1 of 6 Force per unit area is known as pressure. Apply this concept to find the pressure of force that act on an area.

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