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# Chapter3: Newton's Laws in Motion, examples

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Chapter Three : Examples

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### Chapter3: Newton's Laws in Motion, examples

1. 1. Chapter 3 Examples
2. 2. Example 1 • Two forces, F1 and F2, act on a 5-kg mass. If F1 =20 N and F2 =15 N, find the acceleration in (a) and (b) of the Figure.
3. 3. Example 2 • A block is pushed across a horizontal surface by the force shown. If F =20 N, = 30º and M = 2.0 kg, then the magnitude of the acceleration (in m/s2) of the block is:
4. 4. Example 3 • Two masses of 3 kg and 5 kg are connected by a light string that passes over a smooth pulley as shown in the Figure. Determine (a) the tension in the string, (b) the acceleration of each mass, and (c) the distance each mass moves in the first second of motion if they start from rest.