William Haynes

William Haynes on Equilibrium of a particle: Block on Incline 17 hours ago

Gave some feedback: Ready to use

William Haynes on Moment of a Force: using the definition of a moment 1 day, 1 hour ago

Saved a checkpoint:

Revised problem and ggb diagram to make triangle with longest hypotenuse -  either AD or AD'

William Haynes on Perpendicular distance between a point and line 2 weeks, 2 days ago

Saved a checkpoint:

Blackboard is not changing the diagram when advice is shown.  Will try alternate methods to load the applet.

William Haynes on 01. Trigonometry Review 2 weeks, 2 days ago

Saved a checkpoint:

Geogebra is not changing the diagram when advice is shown.  Will try alternate method of loading the applet.

William Haynes on Method of joints: cantilever truss 1 month, 1 week ago

Saved a checkpoint:

before some edits

William Haynes on Moment of inertia: 2 channels and 2 plates 1 month, 2 weeks ago

Saved a checkpoint:

pre simplification of units

William Haynes on Truss: zero force members 2 months, 1 week ago

Saved a checkpoint:

Figured out how to to access the ggb app in the preamble

var v = question.scope;
try{
var app = v.variables.truss.app

Still doesn't work because of misdirected clicks on the ggb diagram.

William Haynes on Truss: zero force members 2 months, 1 week ago

Saved a checkpoint:

Changed question.signals.on('adviceDisplayed' ... function,  so that function can find the applet again to hide zero force members.   See var app = 

This doesn't seem very robust to me, probably won't work if the page has multiple applets, and this one has a different identifier.

Still doesn't work because of misdirected clicks on the ggb diagram.