Questions
Four identical spheres each of radius 10 cm and mass 1 kg each are placed on a horizontal surface touching one another so that their centres are located at the corners of square of side 20 cm. What is the distance of their center of mass from center of either sphere ?
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Correct option is D
The center of mass will be at the intersection of diagonals. Its distance from the center he of either sphere will be (202)/2=102cmSimilar Questions
The mass of a uniform ladder of length 5 m is 20 kg. A person of mass 60 kg stands on the ladder at a height of 2 m from the bottom. The position of centre of mass of the ladder and man from the bottom nearly is
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