问:如把一底面光滑的正圆柱体放在玻璃容器内,该物体的底面与容器底紧密接触,然后向容器内加水,并使整个物体沉没在水中,这个物体是否受到浮力?答:沉没在盛有液体的容器底部的正圆柱体,如果该物体的底面与容器底紧密接触,也就是说,物体下面没有液体,那末该 Q: If a smooth cylindrical body with a smooth surface is put in a glass container, the bottom of the object is in close contact with the bottom of the container, then add water to the container and make the whole object sink in the water. Does this object get buoyancy? A positive cylinder at the bottom of a container containing liquid, if the bottom of the object is in close contact with the bottom of the container, that is, there is no liquid below the object, then