Drag the background to rotate the apparatus. Use the slider or drag the rheostat in the 3D model to change current. Click the switch to start, click the battery to reverse polarity, and click the magnet to flip poles.
Physics: F = I × B . L (Lorentz Force). The magnet experiences an equal and opposite reaction force, which changes the scale reading via Newton's Third Law.
○1. Force Observation: Turn on the switch and observe scale changes. What happens to the magnet?
○2. Current Direction: Reverse polarity and note force direction. How does the right-hand rule apply?
○3. Magnet Orientation: Flip the magnet poles and observe force changes. Make predictions first.
○4. Quantitative Analysis: Adjust current 0-10A, record scale readings. Plot force vs current.