TY - BOOK AB - An introduction to forces that discusses pushes, pulls, motion, direction, speed, and friction, and provides everyday examples and instructions for an activity. AU - Boothroyd, Jennifer, CN - QC73.4 CN - QC73.4 ID - 640103 KW - Force and energy KW - Motion KW - Friction KW - Force and energy. KW - Motion. KW - Friction. N2 - An introduction to forces that discusses pushes, pulls, motion, direction, speed, and friction, and provides everyday examples and instructions for an activity. SN - 9780761354314 SN - 076135431X T1 - Give it a push! give it a pull! :a look at forces / TI - Give it a push! give it a pull! :a look at forces / ER -