Advanced Force Table, Verify the law of composition and resolution of forces., Each

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Here is the corrected text: This feature-packed Precision Force Table is the classroom standard for demonstrating the law of composition and resolution of forces. It features a 40cm-diameter, extra-thick, machined aluminum tabletop with a laser-engraved rim graduated in 360 degrees, mounted on a vertical support rod with leveling screws. The table's center ring, fastened by cords passing over four pulleys, adds extra stability and reduces annoying wobble. The set includes four low-inertia pulleys with miniature bearings of negligible friction, each with a central fiducial mark for parallax-free angle readings; four weight hangers of 100g each; and sixteen chrome-plated weights (4 x 10g, 4 x 20g, 4 x 50g, and 4 x 100g). The pulley clamps are specially designed to conform to the curve of the circular table, ensuring that your pulleys won't wobble. The sturdy support rod and heavy tripod base with leveling screws provide stable support, while the heavy center pin fits snugly into the tabletop for easy assembly. This apparatus is ideal for use with Vernier or Pasco probeware (force sensors sold separately), making it a great, quick quantitative demonstration or lab activity.