ballast
Ballast lowers or balances the center of gravity. This topic is part of Transportation within Technology. This page currently draws on 5 supporting questions, with answers and bonus facts available below.
ballast trivia questions
Ballast is added to vehicles or vessels mainly to improve what?
Answer: Stability
Bonus fact: Ballast lowers or balances the center of gravity.
Submarines adjust ballast tanks to control what?
Answer: Buoyancy
Bonus fact: Taking in or expelling water changes average density.
What material is commonly used as ballast beneath railroad tracks?
Answer: Crushed stone
Bonus fact: Railroad ballast supports ties and aids drainage.
What stone layer beneath railroad ties distributes loads and drains water?
Answer: Ballast
Bonus fact: Ballast stabilizes track.
What tanks do submarines fill or empty to control buoyancy?
Answer: Ballast tanks
Bonus fact: Changing ballast changes the vessel's average density.