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**w**.

Now angular velocity of each point of the rod is same i.e.

**w**.

But if we have to find the relative angular velocity of the end B w.r.t. mid point of rod, what it will be?

Will it be zero because,

**w-w=0**

or first we have to find the velocity of end B which is

**wR**(R is length of Rod)

then find velocity of mid-point

**wR/2**and then find relative velocity of end B w.r.t. to mid point which is

**wR-wR/2=wR/2**

then divide it by distance between B and mid point which is

**R/2**and get relative angular velocity which now comes out to be

**w**.

Which method is right and why the other method is wrong?