A way to measure force...

[KenWittlief]

Originally Posted by sanddrag

I like how they can take a photo, zoom in on a person's eye, say "let me see if I can enhance this" and then seconds later they have a gigantic and perfectly clear picture of what the person was looking at (the reflection in their eye).

I think the first time this was done in a movie or TV show, it was a photograph. with a good quality 35mm camera this is possible

in fact, I have a photo of the steering wheel of a Coast Guard 44 footer. If you blow up the 2" diameter chrome center of the wheel you can see me sitting in the pilots chair, pointing the camera

but I know I have seen it 'used' in tv shoes with video from a survalince camera. Video is 640x480 at best, what you see is all that is there - you cant zoom in and see what was between the scan lines of the video camera (theres nothing there)

if you use a fish scale you are measuring the impulse - the response of the spring in the scale, so the max reading would mean something if you could capture it, but the reading on the scale itself would not be the maximum force applied, because the scale is not intended to be used on moving objects

you would have to experiment with the scale to be able to interprete what the readings mean

but as a relative measurement, you could say impact A was greater than impact B. How much greater would take some work to figure out. I dont think the readings would be linear.