Forces & friction /
Forces and friction
Peter Riley.
- North Mankato, Minn. : Smart Apple Media, c2008.
- 32 p. : col. ill. ; 28 cm.
- Essential science .
Includes index. "A+."
Forces and friction -- Magnets -- Magnetic poles -- Gravity and weight -- Elastic materials -- Springs -- Friction -- Water resistance -- Air resistance -- Buoyancy -- Balanced forces -- Unbalanced forces -- Can you remember the essentials?