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malmeida20197-Bedrock
7-Bedrock
March 8, 2019
Solved

Problem Static

Good afternoon group friends, I am a beginner in Mathcad, and I am not able to finish a static problem, if you can help me, thank you very much.

 

Werner_E
Werner_EAnswer
25-Diamond I
March 8, 2019

What did you expect? You have not defined x and y so you cannot expect a numeric result.

You may let Prime evaluate symbolically, though.

B.png

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14 replies

Fred_Kohlhepp23-Emerald I
23-Emerald I
March 8, 2019

Welcome to Mathcad.

 

Due to PTC's greed, since you are using Prime version 5, many of us cannot see your problem.  Consider posting a picture version as well.

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malmeida20197-BedrockAuthor
7-Bedrock
March 8, 2019

ok

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malmeida20197-BedrockAuthor
7-Bedrock
March 8, 2019
Follow the file in jpg
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Werner_E
Werner_E25-Diamond IAnswer
25-Diamond I
March 8, 2019

What did you expect? You have not defined x and y so you cannot expect a numeric result.

You may let Prime evaluate symbolically, though.

B.png

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malmeida20197-BedrockAuthor
7-Bedrock
March 8, 2019
Werner, why the final answer did not show in "m", what I'm missing here. If you had to solve this problem through vectors would you do the same thing I did?
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LucMeekes23-Emerald IV
23-Emerald IV
March 8, 2019

That is due to your definition. You defined rp as rp:=[x y 0] m. This means that x and y, like 0 are just numbers, without units. I would be rp that contains x m, y m and 0 m.

 

If you're interested, you might try to find out what happens if you define rp as rp:=[x y 0] and then solve x and y.

 

Success!
Luc

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