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

Basically, scales measure the force you exert against the earth’s gravity which is the converted to mass. If you exert more pressure, it will still be measured because it’s acting on gravity more.

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