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Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt
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Consider the normal force on a book at rest on a tabletop.

Chapter 2, Problem 33E

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QUESTION:

Consider the normal force on a book at rest on a tabletop. If the table is tilted so that the surface forms an inclined plane, will the magnitude of the normal force change? If so, how?

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QUESTION:

Consider the normal force on a book at rest on a tabletop. If the table is tilted so that the surface forms an inclined plane, will the magnitude of the normal force change? If so, how?

ANSWER:

Step 1 of 4 

Normal force is the contact force , which exists between the contact surfaces. It acts perpendicular to the contact surface. (due to action reaction pair). Weight is due to the gravitational of the earth, which is exerted on the object with mass m on the earth surface. It acts always towards the earth.

That is W = mg

Where

m is the mass of the object, and

 g is acceleration due to gravity.

 

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