Some objects will float on water, such as ____. Some objects will sink in water, such a ____. ____ is an ____ force that causes objects to ____ on water (or other liquids), or ____ to the surface if the object is submerged.

Buoyancy

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？