BBC3 个月
How to weigh a floating object without scales
WHAT YOU NEED: An apple, orange or lemon (these fruits float), a measuring jug, a pen, paper and a calculator. You may also want a set of scales to ... upthrust equals the weight of the object ...
BBC4 年
How to weigh a floating object without scales
WHAT YOU NEED: An apple, orange or lemon (these fruits float), a measuring jug, a pen, paper and a calculator. You may also want a set of scales to ... upthrust equals the weight of the object ...
Hackaday4 年
Weigh Your Car With Paper
Our favorite part is how he measures the contact patch by sliding a couple of paper pieces from ... then drives to some public scales and has to pay for a weigh. His calculations are close ...