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Question
What are point masses
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Solution
point masses means ' whole mass of a big object is supposed to be concentrated at a point . 'If a big object has mass M , we suppose all mass of object is concentrated at a point , we don't take dimentions of object but consder it as a point . we do this to simplify derivations and equations.
for example - if a object is sphere and have mass m, to make equations we will suppose all mass acts at its center of gravity point and coside it as a point mass.
for example - if a object is sphere and have mass m, to make equations we will suppose all mass acts at its center of gravity point and coside it as a point mass.
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