![\"\"](\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysn5u1\/uploads\/sites\/5146\/2014\/11\/Picture9.png\" "\\"Picture9\\"")
<\/a><\/p>\nSatellite Motion<\/span><\/strong><\/p>\n \u00a0<\/p>\n Due to gravity and the curvature of the earth, the ball will remain in orbit.<\/p>\n Objects in orbit appear to be weightless, but are actually in constant freefall.<\/p>\n \u00a0<\/em><\/strong><\/p>\n Apparent Weightlessness<\/em><\/strong><\/p>\n Astronauts in orbit around the Earth are in a constant state of free-fall.\u00a0 The spaceship, the astronauts and everything inside are all accelerating towards the Earth due to gravity.<\/p>\n This is known as apparent weightlessness.\u00a0 The effects are because of gravity, and not <\/strong>because they have escaped from the gravitational field of the Earth. <\/span><\/strong><\/p>\n Space exploration and our understanding of the Earth<\/span><\/strong><\/p>\n Satellites have allowed us to make observations of the Earth.\u00a0<\/p>\n Important observations of the environment have been made using monitoring satellites in orbit around the Earth, including:<\/p>\n \u00a0<\/p>\n Technologies arising from space exploration<\/span><\/strong><\/p>\n Some examples include<\/p>\n \u00a0<\/p>\n NASA has a website called \u201cSpin-off\u201d which shows how technologies developed in their Space Programme have benefits in everyday life \u2013<\/p>\n http:\/\/spinoff.nasa.gov\/Spinoff2008\/tech_benefits.html<\/a><\/p>\n For any technology that you provide, you must be able to describe the impact that it has on our everyday life.<\/em><\/strong><\/p>\n Age of the universe<\/span><\/strong><\/p>\n Current thinking dates the age of the universe as approximately 14 billion years.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":" Projectiles have horizontal and vertical motion and follow a curved path.\u00a0 e.g. A football being kicked.\u00a0 Satellite Motion Newton\u2019s thought experiment \u00a0 Newton imagined a giant cannon on top of a mountain firing cannon balls.\u00a0 The cannon balls are projectiles following a curved path towards the earth as shown.\u00a0 However, if they are fired with … Continue reading “Projectiles”<\/span><\/a><\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-83","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/comments?post=83"}],"version-history":[{"count":5,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages\/83\/revisions"}],"predecessor-version":[{"id":90,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/pages\/83\/revisions\/90"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysn5u1\/wp-json\/wp\/v2\/media?parent=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Newton\u2019s thought experiment<\/h1>\n
<\/a>Newton imagined a giant cannon on top of a mountain firing cannon balls.\u00a0 The cannon balls are projectiles following a curved path towards the earth as shown.\u00a0 However, if they are fired with a high enough speed, they will \u201cfall\u201d into a circular orbit.<\/p>\n\n
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