{"id":86,"date":"2020-12-14T20:21:24","date_gmt":"2020-12-15T01:21:24","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/?post_type=chapter&#038;p=86"},"modified":"2021-01-02T12:44:57","modified_gmt":"2021-01-02T17:44:57","slug":"summary-of-the-important-points","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/chapter\/summary-of-the-important-points\/","title":{"raw":"Summary of the important points.","rendered":"Summary of the important points."},"content":{"raw":"<ul>\r\n \t<li>Statics is the study of bodies that are either at rest or moving with a constant velocity.<\/li>\r\n \t<li>A \"particle\" is an object whose size can be neglected, but it has a mass.\u00a0 If it does not deform under pressure it is called a \"rigid body\".<\/li>\r\n \t<li>If the forces can be considered to act at a point on a body, they are called concentrated forces.<\/li>\r\n \t<li>Newton's three laws of motion need to be applied.\u00a0 You should have them memorized.\u00a0 Have them written down in a convenient place.\u00a0 You want to start developing your own reference or \"cheat sheet\" of equations and principles.<\/li>\r\n \t<li>Mass is a measure of inertia.\u00a0 It does not change as it moves from one location to another and that includes from the Earth to the Moon.\u00a0 Weight is the name we give to the force of attraction between an object with mass and the planet.\u00a0 In this course we are normally talking about the surface of the Earth, but we will spend a small amount of time analyzing satellites in orbit around the Earth.\u00a0 The weight of an object changes depending on the distance between it and the centre of the Earth.<\/li>\r\n \t<li>In the SI or Metric System, the unit of force is a newton, symbol N.\u00a0 It is a unit derived from the base units of metre, second and kilogram.<\/li>\r\n \t<li>In the US Customary or Imperial System, the unit of force is the pound, symbol lb. The foot, second and pound are base units and the unit of mass is called the slug.<\/li>\r\n \t<li>Engineering notation is when the metric prefixes n,\u00a0 \u03bc (pronounced mu), m, k, M, G, T are used to designate small and large numerical quantities.\u00a0 For example\u00a0 km, which means kilometre or one-thousand metres.\u00a0 You should have these memorized or keep them handy.<\/li>\r\n \t<li>Numerical calculations should be done with many significant figures, and should be rounded off to only three significant figures at the end.<\/li>\r\n \t<li>You can check that you have done the algebraic manipulations of the equations by checking that the units used are consistent throughout.<\/li>\r\n<\/ul>","rendered":"<ul>\n<li>Statics is the study of bodies that are either at rest or moving with a constant velocity.<\/li>\n<li>A &#8220;particle&#8221; is an object whose size can be neglected, but it has a mass.\u00a0 If it does not deform under pressure it is called a &#8220;rigid body&#8221;.<\/li>\n<li>If the forces can be considered to act at a point on a body, they are called concentrated forces.<\/li>\n<li>Newton&#8217;s three laws of motion need to be applied.\u00a0 You should have them memorized.\u00a0 Have them written down in a convenient place.\u00a0 You want to start developing your own reference or &#8220;cheat sheet&#8221; of equations and principles.<\/li>\n<li>Mass is a measure of inertia.\u00a0 It does not change as it moves from one location to another and that includes from the Earth to the Moon.\u00a0 Weight is the name we give to the force of attraction between an object with mass and the planet.\u00a0 In this course we are normally talking about the surface of the Earth, but we will spend a small amount of time analyzing satellites in orbit around the Earth.\u00a0 The weight of an object changes depending on the distance between it and the centre of the Earth.<\/li>\n<li>In the SI or Metric System, the unit of force is a newton, symbol N.\u00a0 It is a unit derived from the base units of metre, second and kilogram.<\/li>\n<li>In the US Customary or Imperial System, the unit of force is the pound, symbol lb. The foot, second and pound are base units and the unit of mass is called the slug.<\/li>\n<li>Engineering notation is when the metric prefixes n,\u00a0 \u03bc (pronounced mu), m, k, M, G, T are used to designate small and large numerical quantities.\u00a0 For example\u00a0 km, which means kilometre or one-thousand metres.\u00a0 You should have these memorized or keep them handy.<\/li>\n<li>Numerical calculations should be done with many significant figures, and should be rounded off to only three significant figures at the end.<\/li>\n<li>You can check that you have done the algebraic manipulations of the equations by checking that the units used are consistent throughout.<\/li>\n<\/ul>\n","protected":false},"author":9,"menu_order":8,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-86","chapter","type-chapter","status-publish","hentry"],"part":161,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/pressbooks\/v2\/chapters\/86","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/wp\/v2\/users\/9"}],"version-history":[{"count":1,"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/pressbooks\/v2\/chapters\/86\/revisions"}],"predecessor-version":[{"id":87,"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/pressbooks\/v2\/chapters\/86\/revisions\/87"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/pressbooks\/v2\/parts\/161"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/pressbooks\/v2\/chapters\/86\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/wp\/v2\/media?parent=86"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/pressbooks\/v2\/chapter-type?post=86"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/wp\/v2\/contributor?post=86"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/bcengrphys3\/wp-json\/wp\/v2\/license?post=86"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}