A-rigid-uniform-bar-of-length-2-4m-is-pivoted-horizontally-at-its-mid-point-Weights-are-hung-from-two-points-of-the-bar-such-that-a-200N-is-at-the-0-4m-mark-and-a-300N-is-at-1-6m-mark-To-maintain-hor

Question Number 32075 by NECx last updated on 19/Mar/18

A r i g i d u n i f o r m b a r o f l e n g t h 2.4 m

i s p i v o t e d h o r i z o n t a l l y a t i t s m i d - p o i n t .

W e i g h t s a r e h u n g f r o m t w o p o i n t s

o f t h e b a r s u c h t h a t a 200 N i s a t

t h e 0.4 m m a r k a n d a 300 N i s a t

1.6 m m a r k . T o m a i n t a i n

h o r i z o n t a l e q u i l i b r u m a c o u p l e i s

a p p l i e d t o t h e b a r . W h a t i s t h e

t o r q u e a n d d i r e c t i o n o f t h e c o u p l e ?

Commented by NECx last updated on 19/Mar/18

p l e a s e h e l p

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