PH-1816

Moments

Physics · Secondary 4 · Hard · Moments

A uniform beam of weight 40 N is pivoted at its centre. A 20 N weight is hung 0.30 m to the left of the pivot. At what distance from the pivot on the right must a 15 N weight be hung so that the beam is in equilibrium?

$0.40\,\text{m}$
$0.23\,\text{m}$
$0.30\,\text{m}$
$0.90\,\text{m}$

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