The mass of water displaced only equals the mass of the object if the object is floating. (skepticalscience.com)
The angular momentum of the solar system is carried mostly in the planets because angular momentum equals mass times distance times linear velocity. (realclimate.org)
All high school physics students can tell you that force equals mass times acceleration, and a 6 - 2, 210 - pound safety who runs a 4.5 40 is going to deliver a significantly more dangerous hit than a 5 - 10, 160 - pound safety who runs a 5.2. (sportstarsmag.com)