Product Code:
MACHANICE0086
Description:
Variable Inertia
Specification:
Variable Inertia -Study rotational inertia with this well-conceived lab. Quickly change
the distribution of mass by loading balls in compartments inside two
plastic discs. Which is faster - the disc with the mass toward the
center or toward the rim? Why? Includes two 4-1/2" diameter plastic
discs with eight compartments for holding balls; 8 solid steel balls;
hardware; instructions. Weight: 16 oz.