Your physics book is at rest on a table as shown. What is the Newton's 3rd law pair with the Normal Force on the book by the table? Normal Force on the earth by the book Normal Force on the table by the book Weight Force on the book by the earth Weight Force on the table by the earth Friction Force on the book by the table Weight Force on the book by the earth Friction Force on the table by the book Normal Force on the book by the earth

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!