a) The angular momentum vector of a system of particles about a fixed point is s

Question

a) The angular momentum vector of a system of particles about a fixed point is simply the vector sum of all the angular momentum vectors of all the individual particles about the centre of mass of the system.

true or false?

b) In the proof of Theorem (4/7), the contribution of all the internal forces in the system of particles can be ignored because the internal forces appear in pairs of forces equal in magnitude and opposite in sign, and therefore in summation these forces sum to a zero vector.

true or false?

Explanation / Answer

b) true

a)false

The angular momentum vector of a system of particles about a fixed point is simply the vector sum of all the angular momentum vectors of all the individual particles about the same point

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