The answer to this question would be: a spring scale.
The spring scale that you use to determine your body weight is actually a device that measures your body gravitational force. The force itself influenced by your body weight, that is why it can determine your body weight.
More weight means more force, more force will shrink the spring more.
Are there options? because there is 2 things im thinking of
Answer: a good level of body fat can be found using your weight and height as a reference.
Explanation:
In my text book for social studies it says a canal
Answer:
It looks like its moving north.
Explanation: