Stand on a bathroom scale and read your weight. When you lift one foot up so you’re standing on one foot, does the reading change? Does a scale read force or pressure?
@Abhisar

Question

Stand on a bathroom scale and read your weight. When you lift one foot up so you’re standing on one foot, does the reading change? Does a scale read force or pressure?
@Abhisar

anonymous · Answer

Yes the reading changes slightly because you change the amount of force you are putting on your one foot. Also the scale reads body pressure but also force because of the gravitational force that is put on the body.

abhisar · Answer

No, the reading will not change since the scale reads the force and not the pressure.

anonymous · Answer

really?
I have done this before the scale changes

anonymous · Answer

only slightly

anonymous · Answer

fail (head in palm) i thought I was getting it

abhisar · Answer

The scale reads your weight, not the pressure your feet apply. When you lift one foot up, it exerts more pressure, but the scale feels the same force. Both feet down, there is a larger surface area reducing the pressure on the scale, but with one foot up the the surface area is reduced and so the pressure goes up, but in both case the force on the scale is the same. The weight will be the same, the pressure will be different.

abhisar · Answer

The scale changed slightly when u tried to lift ur one leg cz while ding so u exerted some extra muscular pull (unknowingly).

abhisar · Answer

Try the experiment one more time and this time try to lift the leg very slowly and nicely.

anonymous · Answer

yep you were right

abhisar · Answer

$\color{green}{\huge\ddot\smile}$

anonymous · Answer

why is this so hard for me to get?

abhisar · Answer

It's not...u r getting it man

anonymous · Answer

if you say so

abhisar · Answer

Rememberv only practice makes a man better
$\color{green}{\huge\ddot\smile}$

anonymous · Answer

ok next question lets try this again same way like this one

abhisar · Answer

ok