A millinewton.
Not a gram or kilogram since they are units for measuring mass which is not the same as weight.
Units of weight or mass for a book would be in pounds and ounces or grams and kilograms.
Pound weight.
The weight of a TV is in the same general ballpark as that of a human. So the appropriate unit would be the unit you use to weigh yourself. So that would be kg or lbs depending on where you are.
ounces
pounds
Units of weight or mass for a book would be in pounds and ounces or grams and kilograms.
You would use the unit of measurement called "kilograms" or "pounds" to measure the weight of a car.
You would use the metric unit "kilograms" to measure the weight of a bag of groceries.
ton
millinewton.
You would use the metric unit "kilograms" to measure the weight of a sack of peaches.
Pound weight.
You would typically use pounds (lbs) to measure the weight of a cat.
The metric (SI) unit for weight is the newton, since weight is a force. When people talk about "weight", they sometimes actually mean "mass". The unit for mass is the kilogram.
You would typically use a unit of weight, such as grams or ounces, to measure a cherry.
pounds
ounces