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CBSE Class 11-science Answered

i want to know that what is the relation between center of mass and center of gravity
Asked by sakshi thakur | 03 Mar, 2011, 04:36: PM
answered-by-expert Expert Answer
Dear student,
 
The point at which a system of masses would balance if placed on a pivot. In a binary star system, the center of mass would lie nearer to the more massive component. In the case of a single mass, the center of gravity, for the sake of simplicity of calculations, is the point at which it can be assumed all the mass is concentrated.
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Answered by | 03 Mar, 2011, 01:33: PM

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CBSE 11-science - Physics
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CBSE 11-science - Physics
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Two blocks of mass m=5kg and M=10 kg are connected by a string passing over a pulley B as shown. Another string connects the centre of the pulley B to the floor and passes over another pulley A as shown. An upward force F is applied at the centre of pulley A. Both the pulleys are massless. Find the acceleration of both the blocks if 1) F=100N.  2)F=500N
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