00945pam a2200301 a 450000500170000000800410001701000140005802000150007203500210008703500120010804000180012004200090013805000200014708200120016724500210017925000360020026000420023630000340027844000350031252001060034765000470045365000260050065000270052671000200055390600450057394200080061899900170062620230110144810.0071224s1992    vaua   j      001 0 eng    a92-006937  a0809496755  a(DLC)   92006937  a2976125  aDLCcDLCdDLC  alcac00aQC25b.P48 199200a53022000aPhysical forces.  aAuthorized English language ed.  aAlexandria, Va. :bTime-Life,cc1992.  a151 p. :bcol. ill. ;c31 cm. 0aUnderstanding science & nature  aQuestions and answers introduce such physical phenomena as force, motion, magnetism, heat, and sound. 0aPhysicsxMiscellaneaxJuvenile literature. 1aPhysicsxMiscellanea. 1aQuestions and answers.2 aTime-Life Books  a7bcbccorignewd1eocipf19gy-gencatlg  2lcc  c45940d45940