A car’s speedometer has a rotating pointer. The pointer is placed a few millimetres away from a calibrated scale. What might produce a random error in the driver’s reading of the car’s speed?
- AThe car’s speed is affected by the wind direction.
- BThe driver’s eye is not always in the same position in relation to the pointer.
- CThe speedometer does not read zero when the car is at rest.
- DThe speedometer reads $10\%$ higher than the car’s actual speed.