PH-1802
Moments
Physics · Secondary 4 · Medium · Moments
A 2.0 m long uniform plank is pivoted at its centre. A 30 N weight is hung 0.50 m to the left of the pivot. A 20 N weight is hung on the right so that the plank remains horizontal.
What is the distance of the 20 N weight from the pivot?
What is the distance of the 20 N weight from the pivot?
- 0.30 m
- 0.50 m
- 0.75 m
- 1.0 m
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