Unit 4 FORCES AND THE LAWS OF MOTION. 4-1 Forces Force: A push or pull exerted on an object Forces cause a change in velocity (acceleration) *cause a.
Welcome to the Wonderful World of Friction. What is friction?
Forces The Nature of Force Friction and Gravity Newton’s First and Second Laws Newton’s Third Law Rockets and Satellites Table of Contents.
Newton’s 3 rd Law. What is physics? astronomer Law of Universal Gravitation 1643-1727 calculus Laws of Motion physicist mathematician Who is Newton?
Physics 55 Monday, September 26, 2005 1.Newton’s Law of Gravitation With Examples 2.Connection of Newton’s Laws to Fundamental Conservation Laws.
Newton’s first and second laws Galileo said that it doesn’t require a force to keep an object moving… In fact, there must be a force to cause an object.
Newton’s Laws of Motion AP Physics Unit 2 Section 1 Newton’s Laws Lesson 1.
A glider (Yoda) is gliding along an air track at constant speed. There is no friction and no air resistance. What can you say about the net force (total.
A glider (Yoda) is gliding along an air track at constant speed.
Newton’s Laws of Motion