Best Multipurpose Bag. Here's a bag that Dad will want to carry even after diaper duty is done. Removing the magnetic center pocket transforms it from baby bag to work bag. The memory-foam padded shoulder strap makes it comfortable for toting baby stuff now, and later on, his laptop on the commute to the office. 6 Of 8.
Newton's Three Laws of Physics. When in space, Newtons first law is very obvious. When an object in space is set on a course, it stays on that course unless it is acted upon by some outside force. Newtons first law is also present in every day life here on earth. The place where we may experience it the most is in our vehicles.
law of conservation of energy-the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes. conservation of energy, first law of thermodynamics. law of thermodynamics - (physics) a law governing the relations between states of energy in a closed system.