A diagram, a set of steps, an animation or a 3D model, whichever teaches it best, made for your child's question and checked for accuracy. Then one question to prove it clicked.
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Because they act on two different bodies. One force is on the block, the other on the wall, so there is nothing to cancel.
A book rests on a table. The reaction to the book's weight acts on which body?
The student never has to decide how something should be explained. That is the product's job.
Type what you are stuck on in your own words, or point the camera at the textbook.
ExplainCanvas picks the format that teaches it best, writes the explanation and checks it for accuracy before you see it.
One check question. Get it and the parent hears about it that evening. Miss it and it explains again, differently.
The cheapest format that teaches correctly wins. A correct diagram beats a beautiful video with the valves opening in the wrong order.
You are paying for understanding, so you should see it. Every evening your child studies, you get one short email: what they understood, measured by the check question, and what still needs work.
Credits are the unit. A diagram is 8, an animation 32, a lesson from the library 1. Unused plan credits roll over a month.
Prices exclude 18% GST, shown at checkout. Free accounts get unlimited library lessons and one fresh diagram.
Start with the free diagram. No card needed.
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