PH-589
Principle of moments
Physics · Secondary 3 · Medium · Principle of moments
A 0.8 m long uniform beam weighs 5.0 N and is pivoted at its centre. A 3.0 N weight is hung 0.20 m to the left of the pivot. At what distance from the pivot on the right should a 4.0 N weight be hung so that the beam is horizontal?
- 0.10 m
- 0.15 m
- 0.20 m
- 0.24 m
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