PH-1868
Centre of gravity and stability
Physics · Secondary 4 · Medium · Centre of gravity and stability
Two identical empty cans, X and Y, stand upright on a bus floor. Can X is half-filled with sand, while can Y is filled to the top. The bus brakes suddenly. Which statement about their stability is correct?
- Can X is less stable because it is lighter
- Can Y is more stable because it has more mass
- Can Y is less stable because its centre of gravity is higher
- Both cans have the same stability since their bases are identical
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