PH-641
Moments
Physics · Secondary 3 · Hard · Moments
A uniform beam of length 2.0 m is balanced on a pivot at its centre. A 30 N weight is hung 0.40 m to the left of the pivot. At what distance from the pivot on the right should a 20 N weight be hung so that the beam is in equilibrium?
- 0.60 m
- 0.27 m
- 0.40 m
- 0.90 m
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