WLSYX Pendulum Resonance Demonstrator, Pendulum Ball Type Physics Experiment Equipment With 5 Steel Balls(dia 20mm), Improve Classroom Learning Efficiency, For Physics Lessons, Experiment

WLSYX

【Resonance & Forced Vibration Physics Demonstrator】: Intuitively shows principles of forced vibration and resonance, clearly displaying object vibration changes under external force. Helps students visualize abstract physical theories and improve classroom learning efficiency, great physics teaching auxiliary instrument. 【Solid Durable Construction】: Built with robust metal frame and stable base for anti-wobble performance, matched with tough break-resistant nylon suspension lines. Standard 20mm uniform-diameter metal balls guarantee smooth, secure repeated experimental operation. 【Well-structured Complete Pendulum Set】: Full kit contains support stand, five steel pendulum balls in different lengths plus plastic mounting frame, neatly assembled for easy setup and clear viewing during in-class demonstration and student observation. 【Multi-purpose Lab Accessory】: Perfect for middle high school physics lessons, experiment showcase and science collection. Blends practical teaching function with ornamental value, upgrades lab layout and makes physics study more interesting. 【Long Service Life】: Simply store in cool dry place after use to preserve original performance. Ideal replacement addition for school laboratory supplies and educational physics collection pieces.