Why Doesn't the Earth Fall Up?
And Other Not Such Dumb Questions About MotionBook - 1988
Answers nine questions about motion, explaining Newton's Laws of Motion, gravity, centrifugal force, and other principles of movement.
Publisher: New York : Lodestar Books, c1988
Edition: 1st ed
Branch Call Number: J 531 C63w 1988
Characteristics: 40 p. : ill. ; 21 x 22 cm