PH-1865
Centre of gravity and stability
Physics · Secondary 4 · Medium · Centre of gravity and stability
A tall book is standing upright on a flat table. Which change will make the book MORE stable against toppling when it is pushed lightly from the side?
- Standing it on a narrower edge so its base is smaller and it is taller
- Placing it on a rough mat instead of the smooth table
- Laying it flat so its base on the table is much wider
- Adding identical books on top to make the stack taller
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