Sentences with phrase «sag under gravity»
Oils such as pentane have a low surface tension — 15mN / m — so they sag under gravity and tend to form a flat pool rather than a spherical droplet, meeting the surface at a low angle.
https://www.newscientist.com/ Not exact matches
Because lenses can only be supported around the edge, when they get too big they start to sag under the effect of gravity.