Density Set, Set Of 12 Polypropylene Bars Of Different Length But The Same Diameter. Students Learn That The Density Of A Substance Is Constant Even As Itsmass And Volume Change. Comes In An Attractive Wooden Holder.
Hookes Law, set of 5 springs with different spring constants, forces required for 1cm extension are 0.25N, 0.5N, 1N, 1.5N, and 2.5N respectively, Pre-stress has been removed for accurate results, With a hook to support a weight hanger and a red arrow to indicate position