Conduct a wide range of physical science and physics activities with accurate data collected with this force sensor. Use it for studies of friction, simple harmonic motion, collision studies, weight determination with a spring scale, buoyancy, the usefulness of levers and pulleys, and more. The force sensor can be easily mounted in a variety of experimental configurations using metal support rods that screw into the sensor head. Rods available separately. Range: ±50 N. Accuracy: ±1%. Resolution: 0.02 N. Sample Rate: max 1,000 samples/second. Sensor comes with Li-Ion rechargeable battery, wallcharger, quick reference guide, a USB drive for collecting data, rubber bumper attachment, and metal hook attachment. Replacement hook and bumper also available separately in the Force Accessory Pack.