PPT-Dynamics I Forces & Newton’s First Law

Dynamics I Forces amp Newtons First Law 4 Natural Forces Gravity acts between all masses in the universe and has infinite range Electromagnetic EM Force acts between electrically charged particles and magnetically charged poles. On a post-it, write down anything you know about the word force or the different ways you use the word force.. Scientific Definition. A force is a . push . or a . pull. of an object.. When there is a force, one object is applying a force and on object is receiving the force.. Why things move?. Describing forces. . What changes the motion of bodies. ? Forces.. What . keeps . bodies moving. ? No need of forces.. Aristotle (384-322 B.C.) Galileo Galilei (1564-1642) Isaac Newton (1642-1727). Housekeeping. Newton’s . First Law of . Motion. Newton’s Second Law of . Motion. Newton’s Third Law of Motion. Glossary. Inertia. is the property of objects that makes them resist changes in their motion. So, the greater the mass of an object, the more inertia it has. For example, it takes a much . Definitions of Force. Force is a . push. or a . pull. acting on an object.. Force is a . vector. .. (. magnitude. & . direction. ). Force can be contact or long range (aka non-contact or field).. nd. Law of Motion. Newton’s 2. nd. Law of Motion:. . acceleration of an object is in the same direction as the net force on the object. Newton’s 2. nd. Law of Motion . connects . force. , . mass. The most important chapter of physics EVAR. What is a Force?. A force is a push or a pull. Contact forces:. Boat pulling a water skier. Pushing a car with a dead battery. Noncontact forces:. Gravitational attraction of moon to earth. Inertial Reference Frames. Mass vs. Weight. Forces we studied:.  weight / gravity.  normal force.  tension.  friction (kinetic and static). Drawing Free Body Diagrams. Problem Solving . Things to Remember from Last Year. pairs. , one on . each object. in the pair. . The magnitudes of the forces in a pair are always ________, and the direction is . _____________. . (They do not cancel each other…because they are on . Changes in Motion. Objectives:. 1. Describe how force affects the motion of an object.. 2. Interpret and construct free-body diagrams.. The Force is Strong With You. Force. is an action exerted on an object which may change the object's state of rest or motion.. Kris . Hauser. ECE 383 / ME 442. Spring 2015. Agenda. Basic elements of simulation. Derive the . standard form. of the dynamics of an articulated robot in joint space. Also works for humans, biological systems, non-actuated mechanical systems … . Kris Hauser. CS B659: Principles of Intelligent Robot Motion. Spring . 2013. Agenda. Basic elements of simulation. Derive the . standard form. of the dynamics of an articulated robot in joint space. Force. - a . push. or . pull . A . Force . 1. gives. . energy . to objects. 2. causes a. . change . in motion, such as:. . Starting. Speeding Up. Changing Direction. Stopping. Slowing Down. (Note: all of these are forms of . Expedition 3: Fundamental Forces Forces and Laws of Motion http://webpath.follettsoftware.com/resource/viewurl?encodedUrl=plo2j1Ikxcj5uQozTp-kxdLlZXe3VIeh2JUFcQGT0_Q&version=1&userGUID=41192717-80A3-450C-8DA0-6CF1AC2834B9&gv=1&gc=-17299486&appsignature=Destiny&appversion=11.5.3.0+% Forces and Newton’s Laws SP1. Students will analyze the relationships between force, mass, gravity, and the motion of objects. d. Measure and calculate the magnitude of frictional forces and Newton’s three Laws of Motion.