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First time is the lat time. ...Wisdom

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 Author Topic: Calculating impact force using the penetration depth  (Read 15109 times) 0 Members and 1 Guest are viewing this topic. Click to toggle author information(expand message area).
RCB01
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 « Embed this message on: January 19, 2011, 12:59:54 pm » posted from:Plymouth,Plymouth,United Kingdom

How do I calculate the impact force of a moving object colliding with a stationary object from the depth of impact of the moving object into the stationary object?
To clarify, I have a large malleable stationary object and a smaller solid moving object, and need to find out the impact force between the two objects after collision by measuring the distance the smaller object has penetrated into the larger object.
I know the initial speed prior to impact, and the final velocity is zero, as well as the malleability of the stationary object and the duration of the deceleration.
Thanks in advance
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Fu-Kwun Hwang
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 « Embed this message Reply #1 on: January 19, 2011, 03:21:06 pm » posted from:Taipei,T\'ai-pei,Taiwan

You can assume the stationary object as a spring with the spring constant k to model the force,
then the force will depends on the displacement$\vec{x}$, i.e.  $\vec{F}=-k \vec{x}$.

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RCB01
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 « Embed this message Reply #2 on: January 19, 2011, 04:10:48 pm » posted from:Plymouth,Plymouth,United Kingdom

Thank you!
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Alberta373
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 « Embed this message Reply #3 on: September 15, 2011, 05:35:28 pm » posted from:,,Satellite Provider

thaks!
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mikevedaya
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 « Embed this message Reply #4 on: September 21, 2011, 12:51:18 pm » posted from:Madras,Tamil Nadu,India

Interesting Topic
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killlereye
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 « Embed this message Reply #5 on: February 10, 2015, 11:21:25 am » posted from:,,Satellite Provider

Thank you!
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