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apoorv jain Grade:
        

one end of uniform rod of mass m and length l is clamped.the rod lies on smooth horizontal surface and rotates about its clamped endat an uniform angular velocity w.what is the horizontal component of force exerted by clamp on rod?

7 years ago

Answers : (2)

shanky shanky
18 Points
										

thank you for puting up this que.


may be -mw2r-centripetal force

7 years ago
Chiranjeevi .P
29 Points
										

Dear Apoorv Jain


In rotational motion the angular velocity is constant for all points.Consider a small piece of mass "dm" then force is dF.


dF=(dm)xw2


L length→M mass


for small portion dx→?


=Mdx/L


now F=∫(M/L)w2 x dx between limits 0 to L.


Finally F=(1/2)MLw2

6 years ago
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