Provides information on energy sources and the laws of motion, describes how they are used to make various forms of transportation work, and recommends related Web sites.Newtona#39;s first law of motion (or principle of inertia) If an object is not being acted on by a force, it will either stay still or continue moving at a constant ... Web site 8 A searchable database of questions which have been answered by a physicist.
|Title||:||Energy, Forces and Motion|
|Author||:||Alastair Smith, Corinne Henderson|
|Publisher||:||Usborne Pub Limited - 2002-01-01|