MIT Open Courseware http://nsdl.niscpr.res.in/jspui/handle/123456789/908 2026-08-06T12:49:50Z 2026-08-06T12:49:50Z Newton's Laws of Motion http://nsdl.niscpr.res.in/jspui/handle/123456789/909 2014-09-23T11:16:55Z 2004-01-01T00:00:00Z Newton's Laws of Motion 2004-01-01T00:00:00Z