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# Express Newton's first, second, and third laws. ISBN: 9780071284219 39

## Solution for problem 2P Chapter 6

Fluid Mechanics | 2nd Edition

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Problem 2P

Express Newton's first, second, and third laws.

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Solution 2P

Newton's first, second, and third law can be expressed as follows.

Newton’s first law states that a body at rest remains at rest, and a body in motion remains in motion at the same velocity in a straight path when the net force acting on it is zero. Therefore, a body tends to preserve its state of inertia.

Newton’s second law states that the acceleration of a body is proportional to the net force acting on it and is inversely proportional to its mass. For a rigid body of mass , Newton’s second law is expressed as Where is the net force acting on the body and is the acceleration of the body under the influence of .

Newton’s second law  can be also be expressed as =

Step 2 of 3

Step 3 of 3

##### ISBN: 9780071284219

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