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How might the mass of the same object differ when measured on a triple beam balance versus an electronic scale? EXPLAIN your answer
The triple beam is by hand, and electronic is by itself meaning the electronic would be more accurate and easier to read.
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When measuring the mass of the same object on a triple beam balance versus an electronic scale, the readings may differ due to the different principles of operation and the accuracy of each instrument.
A triple beam balance is a mechanical weighing scale that uses a system of beams and counterweights to determine the mass of an object. It relies on the principle of equilibrium, where the object is placed on one side of the balance, and weights on the other side are adjusted until both sides are balanced. The combination of weights that balance the object is used to determine its mass. The accuracy of a triple beam balance depends on the precision of the counterweights and the skill of the person operating it. However, it is generally considered to provide relatively accurate measurements.
On the other hand, an electronic scale uses strain gauges or load cells to measure the weight of an object and then converts it into mass. The electronic scale relies on electrical resistance changes caused by the applied force of the object, which is then translated into a mass reading on the digital display. Electronic scales can provide accurate and precise measurements with minimal user error, as they are not influenced by human factors like the skill of balancing or reading the triple beam balance.
However, it's important to note that the mass of an object remains constant regardless of the measuring instrument used. What may differ is the displayed value or reading due to the accuracy and precision of the instrument.
Possible reasons for differences in readings between the two instruments could be:
1. Calibration: Both the triple beam balance and electronic scale require regular calibration to ensure accurate measurements. If one instrument is not calibrated properly, it may provide incorrect readings.
2. Sensitivity: Electronic scales can often provide more precise measurements compared to triple beam balances. The digital display on an electronic scale can provide readings to decimal places, whereas a triple beam balance typically provides measurements to the nearest gram or fraction of a gram.
3. Human error: The operation of a triple beam balance involves manual adjustments and reading of values, which may be subject to human error, leading to slight discrepancies in measurements. Electronic scales, being automated, minimize user error and provide more consistent readings.
In conclusion, while the mass of an object remains constant, the readings on a triple beam balance and an electronic scale may differ due to the different principles of operation, calibration, sensitivity, and potential for human error. It is important to consider these factors when comparing measurements obtained from different weighing instruments.