PH-620
Centre of gravity and stability
Physics · Secondary 3 · Medium · Centre of gravity and stability
A 4.0 m long uniform plank is balanced horizontally on a pivot placed 1.5 m from one end. What can be concluded about the position of the plank’s centre of gravity?
- It is at the 1.5 m mark from one end.
- It is at the 2.0 m mark from one end, directly above the pivot.
- It is at the 1.0 m mark from one end.
- It is at the 3.0 m mark from one end.
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