Units of weight or mass for a book would be in pounds and ounces or grams and kilograms.
Pound weight.
pounds
ounces
Newtons.
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