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A Physics "Problem" [SOLVED] (Read 1263 times)

Started by ViBeZ, March 01, 2015, 05:19:02 pm
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A Physics "Problem" [SOLVED]
#1  March 01, 2015, 05:19:02 pm
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"A spring with a spring constant of 300N/m (Newtons per meter) is designed to hold masses up to 225kg. What is the maximum displacement,  h, needed by the spring if loaded to full capacity? "

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My Problem is I want to know what equation to do for this since I never ran into "h" so yea to sum it up, how do I get "h" what steps and or equations do I need to get it?
Last Edit: March 02, 2015, 04:52:22 am by ☆Celestric☆
Re: A Physics "Problem"
#2  March 01, 2015, 05:34:27 pm
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h = x, y or even d in some textbooks. Use Hooke's law.
Re: A Physics "Problem"
#3  March 01, 2015, 07:45:55 pm
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So "h=x" then "F=k×X" and then that's my "h"? Also do you know the SI unit for "h"?
Re: A Physics "Problem"
#4  March 01, 2015, 07:53:50 pm
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Yeaaaah im shootign ducks wiht the paino
Re: A Physics "Problem"
#5  March 01, 2015, 07:58:03 pm
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It's the meter, but you should infer your units/dimensionals from the info you're given in the problem; in this case the spring constant is in N/m, the mass is in Kg (and thus the weight is in N) so your distance should be in meters. N/cm aren't unheard of, nor are KN/m, nor N/mm, etc.
Last Edit: March 01, 2015, 08:07:59 pm by Fubini
Re: A Physics "Problem"
#6  March 02, 2015, 03:34:33 am
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Am I hot yet? ._.
Re: A Physics "Problem"
#7  March 02, 2015, 03:51:38 am
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It's all wrong :/

F should be 225 times g, k is your spring constant and x, regardless of its magnitude, should be in meters or centimeters, not N/m. It's a linear distance, not force per distance.
Re: A Physics "Problem"
#8  March 02, 2015, 04:23:48 am
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Re: A Physics "Problem"
#9  March 02, 2015, 04:31:21 am
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You got it.
Re: A Physics "Problem"
#10  March 02, 2015, 04:50:55 am
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I'm on Fire, thank you Fubini and Danny :)
Last Edit: March 02, 2015, 04:59:38 am by ☆Celestric☆
Re: A Physics "Problem" [SOLVED]
#11  March 02, 2015, 05:54:41 am
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I know the feelin' :) you're welcome.