वॉटर मिल प्रयोग
गेल्सनलॅब एचएसटीएम -073 शिक्षण विज्ञान खेळणी वॉटर मिलचा प्रयोग
वॉटर मिल प्रयोग is mainly composed of pendulum handle, water wheel, wheel axle and mortar pestle. The water wheel is a device that converts the potential energy of water flow and drop into mechanical energy.