Engineering Statics Homework Problems.  Problems have dynamic Geogebra diagrams and use the quantities extension.

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William Haynes on 37. Relationships between Shear and Bending Moment 1 month, 3 weeks ago

Saved a checkpoint:

Review doesn't work:  ggb is not regenerated.

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William Haynes commented on Crossbuck frame 1 month, 4 weeks ago

Working again

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William Haynes on Crossbuck frame 1 month, 4 weeks ago

Saved a checkpoint:

Question throws error:

Numbas Error: Error evaluating variable ab: other.isTemperature is not a function. (In 'other.isTemperature()', 'other.isTemperature' is undefined)
@https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-40495-crossbuck-frame/scripts.js:78:22
computeVariable@https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-40495-crossbuck-frame/scripts.js:23925:35
@https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-40495-crossbuck-frame/scripts.js:23972:26
map@[native code]
makeVariables@https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-40495-crossbuck-frame/scripts.js:23971:31
@https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-40495-crossbuck-frame/scripts.js:41541:57
@https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-40495-crossbuck-frame/scripts.js:43564:40
Promise@[native code]
@https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-40495-crossbuck-frame/scripts.js:43559:35
promiseReactionJob@[native code]
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William Haynes commented on Centroid by integration: upper and lower bounds are functions 3 months, 1 week ago

Changed gaps to engineering accuracy with units, where units are specified as "".  Should edit question to use actual units.

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William Haynes on Frame: Free Body Diagrams 3 months, 3 weeks ago

Saved a checkpoint:

Fixed problem with marking algorithm.  Removed Javascript function to build marking matrix.

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William Haynes on Frame: Free Body Diagrams 3 months, 3 weeks ago

Saved a checkpoint:

revised

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William Haynes on Free Body Diagram 1 3 months, 3 weeks ago

Saved a checkpoint:

Fixed errors in marking.

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William Haynes on Free Body Diagram 2 3 months, 3 weeks ago

Saved a checkpoint:

Revised to fix errors in marking algorithm

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William Haynes on Free Body Diagram 2 3 months, 3 weeks ago

Saved a checkpoint:

Marking algorithm is not working.  Any chosen answers get full credit

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William Haynes on Free Body Diagram 1 3 months, 3 weeks ago

Saved a checkpoint:

marking does not seem to be working.

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William Haynes on Parallel Axis Theorem: arbitrary shape 4 months ago

Saved a checkpoint:

Initial version.

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William Haynes on Parallel Axis Theorem: arbitrary shape 4 months ago

Gave some feedback: Ready to use

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William Haynes on Moment Balance: Hoist a pole 4 months, 1 week ago

Saved a checkpoint:

Initial version. Similar to problem used on spring 2020 online exam. 

William Haynes published Moment Balance: Hoist a pole 4 months, 1 week ago

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William Haynes on Moment Balance: Hoist a pole 4 months, 1 week ago

Gave some feedback: Ready to use

William Haynes published Moment Balance: see-saw 4 months, 1 week ago

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William Haynes on Moment Balance: see-saw 4 months, 1 week ago

Saved a checkpoint:

Initial problem.