The document discusses Newton's laws of motion and classical mechanics. It introduces Newton's three laws, including inertia, mass, forces, and motion. Key concepts covered are Newton's first law of inertia, Newton's second law relating force, mass and acceleration, and Newton's third law of equal and opposite forces. Examples are provided to illustrate applications of Newton's laws to problems involving forces, equilibrium, friction, and connected objects.

8. External Force: Vector addition 07/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

9. Example of First Newton Law 07/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

11. Inertia and Mass: Two Examples 07/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

13. Example of Second Newton Law 07/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

14. The Falling Apple 07/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

19. Dependency of Weight on Location 07/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

30. Example 1. Equilibrium problems Find the tension in the two wires that support the 2,5 N apple fixture in figure below 07/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

42. Example: Connected Objects Given: mass1: m 1 =4.00 kg mass2: m 2 =7.00 kg friction:  =0.300 Find : Tensions T=? Acceleration a=? 1. Introduce two coordinate frames : Oy: y’s are directed up Ox: x’s are directed right Solving those equations: a = 5.16 m/s 2 T = 32.4 N 07/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

45. TERIMA KASIH 07/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |