Use masonite triangle with handel to "transfer"" lines to blackboard, use as a "square", carpenter's
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Original Version Use masonite triangle with handel to "transfer"" lines to blackboard, use as a "square", carpenter's |
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Improved Version |
Improved version with 100 Newton Scales
Use 3kg and 5kg, getting 
27N and 51N, with |S| 72N. "Single Force" needs about 7.5kg, have that pulley already in place.
Accuracy is ±1cm when 1cm=1 force unit= 1Newton for drawings on the board.
