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secondary 4 | E Maths
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Gwndolyn Gx
Gwndolyn Gx

secondary 4 chevron_right E Maths chevron_right Singapore

( pure physic qn )
how do you get 4:5 as the answer ? please help thanks !

Date Posted: 5 years ago
Views: 367

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Arnold K H Tan
Arnold K H Tan's answer
2108 answers (A Helpful Person)
1st
It's a 2 pivot system - just take moments about X or Y. Above, I used Y as the pivot, to calculate Fx. The weight, W acts at the centre of the uniform beam.
Gwndolyn Gx
Gwndolyn Gx
5 years ago
thankyou!