A block weighing 0.4 N is used to balance the bar. Calculate how far from the pivot the block needs to be placed to balance the bar.
Show your working.

0.25N

Explanation:

MOMENT OF FORCE= Force INTO perpendicular distance

=0.5m into 0.2N=0.1Nm

Then Distance = M divided by force

0.1 divided by 0.4= 0.25N

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