The speed of an object on earth's surface near equator is approximately is 1670 kilometers/hour. So, if the earth stops rotating suddenly, the objects on the surface of earth which are unbound will be thrown eastwards tangentially with the speed of rotation of earth. Read more at: http://www.astronomycafe.net/qadir/q1168.html http://www.universetoday.com/66570/what-would-happen-if-the-earth-stopped-spinning/

# Class XI CBSE – Revision Questions MCQ – Semester 1

What is the gravitational field strength of a planet when the weight of a 100 kg astronaut is 400 N? a) ¼ N kg-1 b) 9.8 N kg-1 c) 4 N kg-1 d) infinity The only natural satellite of the earth complete orbits in about a) 24 days b) 27.3 days c) 30 days … Continue reading Class XI CBSE – Revision Questions MCQ – Semester 1