PH-1789
Moments
Physics · Secondary 4 · Hard · Moments
A uniform 2.0 m plank is pivoted at its centre. A 40 N weight hangs 0.50 m to the left of the pivot. At what distance from the pivot on the right should a 25 N weight be hung so that the plank is balanced?
- 0.31 m
- 0.50 m
- 0.80 m
- 1.3 m
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