TY  - BOOK
AU  - Discovery Channel
TI  - Forces [videorecording].
PY  - 2004///
CY  - Quezon City
PB  - Felta
KW  - Force and energy
N1  - + 1 Teacher's guide
N2  - Learn about these exciting forces of nature. Caution: Understanding forces may lead to an acute case of the "smarts." Symptoms include knowledge of why things fall, float, skid, stop, push, and pull
ER  -