why does a scale show an increase of weight when downward motion is applied?

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Say I’m standing on a scale in the middle of the room and I weigh 150 lbs. Why is it that when I crouch down and apply force to ready a jump, the scale jumps to 200+ lbs even though it’s still my body weight?

Does this kinetic energy make me heavier for a moment? Why does the scale read so many extra lbs?

In: Physics

6 Answers

Anonymous 0 Comments

Because it’s measuring force in general, not weight specifically. When you jump you’re adding another force to accelerate your body.

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