G5T02: What unequal forces do to motion — how it looks on TimeBack
What this is. The topic in the order a student meets it — intro, each lesson, mixed practice, summary, PP100 — each part rendered in David's mimic of the TimeBack player: one column of cards, revealed one at a time by Continue. Every page's blue bar has Previous / Next, so you can walk the whole topic.
A lesson page: the video (or, until it exists, what it will say) → its one question → the whole article, one card per subtitle, figures where they belong → the quiz.
What the mimic cannot show. On the real platform the video is a separate activity before the lesson; here it sits in the first card. Typed-word answers and put-in-order tasks, which the player has but the mimic does not, appear as "Practice" cards with the answer printed. The intro poll is a pick where every reply is right. Two-option questions show as two-option MCQs (on the real platform they become a two-word pick). The PP100 is a note; its bank is on the reviewer page.
Tip: add #auto=end to a page's address to see it fully revealed and answered; #auto=wrong shows the red retry state.
| Part | Title | Video | Cards in all | Teaching cards | Checkpoints | of which numeric | Practice cards (not gates) |
|---|---|---|---|---|---|---|---|
| Topic intro | Topic intro: What unequal forces do to motion | transcript | 2 | 0 | 1 | 0 | — |
| L01 Equal or unequal? Read the force arrows | Equal or unequal? Read the force arrows | transcript | 21 | 8 | 12 | 0 | — |
| L02 Predict how the motion changes when the forces are unequal | Predict how the motion changes when the forces are unequal | transcript | 19 | 7 | 11 | 0 | — |
| L03 The same push on more mass makes a smaller change | The same push on more mass makes a smaller change | transcript | 18 | 7 | 10 | 0 | — |
| Mixed practice | Mixed practice: What unequal forces do to motion | — | 15 | 0 | 13 | 0 | 1 written |
| Topic summary | Topic summary: What unequal forces do to motion | transcript | 4 | 0 | 3 | 0 | — |
| PP100 | PP100: What unequal forces do to motion | — | 1 | 0 | 0 | 0 | — |
Back to the topic · Built by build_tools_timeback_mimic.py from the course content files and incoming/timeback_mimic/timeback_mimic.html.