Simple Atwood Machine, include Apparatus and 2 pulleys connected by a rod, 1.75inch plastic pulleys connected to a 3inch rod, Overall length is 8.25inch, Two pulleys are connected by a metal rod.
Hook'S Law Apparatus - Student, Supplied With Weights, Scale Marked In mm, Includes Experimental Notes, Wooden Base, A Hook Supporting A Coiled Spring With A Mass Hanger And Indicator Is Attached To Rod, 10G Weight Plates Included
Parallelogram Of Forces Apparatus, Apparatus Demonstrates The Relationship Between Forces Acting At A Point, Comprised Of: A Board 25.5in X 19.7in, Two Aluminum 50mm Diameter Pulleys On Clamps, Three Iron Nickel Plated Hangers, Twelve Slotted Weights