Unit used to measure weight for small objects - Milligram (mg)

Explanation:
Weight is a measure of the force exerted on an object due to the gravitational pull of the Earth. It is commonly measured using different units depending on the size of the object being weighed. For small objects, the milligram (mg) is the most appropriate unit of measurement.

Gram (g):
- The gram (g) is the base unit of weight in the metric system.
- It is commonly used to measure the weight of objects that are larger than small objects.
- 1 gram is equal to 1000 milligrams.

Kilogram (kg):
- The kilogram (kg) is a larger unit of weight and is commonly used to measure the weight of larger objects.
- 1 kilogram is equal to 1000 grams or 1,000,000 milligrams.

Milligram (mg):
- The milligram (mg) is a smaller unit of weight and is commonly used to measure the weight of small objects.
- 1 milligram is equal to 0.001 grams or 0.000001 kilograms.
- It is often used in fields such as pharmacy, chemistry, and biology to measure the weight of tiny substances or to determine the dosage of medications.

Ton (t):
- The ton (t) is a much larger unit of weight and is commonly used to measure the weight of heavy objects, such as vehicles or large quantities of materials.
- 1 ton is equal to 1000 kilograms or 1,000,000 grams.

Conclusion:
In conclusion, the milligram (mg) is the most appropriate unit of measurement for weighing small objects. It is a smaller unit compared to gram and kilogram, making it suitable for measuring the weight of tiny substances or determining the dosage of medications in fields like pharmacy, chemistry, and biology. The gram and kilogram are more commonly used for larger objects, while the ton is used for very heavy objects.