"EL" Pulley Dynamometer Fixed & Moving Pulley Physics Experiment

Pulley Dynamometer Fixed amp; Moving Pulley Physics Experiment DIY Science Educational Toys Kit • Budayakan Membaca Sebelum Order..!! • Produk Berstatus PO ( Pre Order ) • Produk Import ( Luar Negri ) • Estimasi Tiba Di Jakarta -+12 Hari. • Jika Setuju Bisa Langsung DiOrder. Happy Shopping Features: 1. Happy and easy to learn 2. Exercise your children practical ability 3. Train your children observation capability, thinking and analytical skills Learning Points: Fixed pulley, movable pulley concept Why the fixed pulley can not save effort , but movable pulley can save effort? Explanation: With movable pulley can save a half power, fixed pulley is a lever arm, no save effort nor effortless, but it can change the direction of force. Package Included: 1 x Pulley Physics Experiment ID - 1285998