The answer will depend on the pencil box. There are some which are made of relatively thin metal sheet while you can get ones ones made of wood which are at least 10 times as heavy.
Asked in Units of Measure, Weight and Mass
How much does an empty 5 gallon water bottle weigh?
That would depends on the material, the shape of the bottle, and the thickness. ...
Asked in Technology
How much does an empty steel 5000 liter tank weigh?
The answer would depend on the type, shape and thickness of the material.
Asked in Weight and Mass
How much does a harvestore silo weigh empty 20feet wide 60 feet high?
how much does a harvestore silo weigh
How much does a 300 gallon saltwater aquarium weigh?
If you mean empty, it will likely weigh about 300-400 lbs. Full of water a 300g aquarium would weigh about 2800-3000 lbs. ...