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RIDDLE

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  1. RIDDLE started following Help me plz , About force and how can I do this question （b)
  2. RIDDLE

    About force

    RIDDLE posted a topic in Homework Help

    Could someone explain the ans in b（i)
  3. RIDDLE
  4. RIDDLE
    what is Newton 1 2 3 law ?
  5. RIDDLE
    how to do question 28-30
  6. RIDDLE
    method 1
  7. RIDDLE
    how to calculate it ? question 9
  8. RIDDLE
    I want to ask what is active transport ?
  9. RIDDLE
    thank you sir
  10. RIDDLE

    Homework

    RIDDLE posted a topic in Homework Help

    Could any one send me some physics question about force and motion or Newton 's law?
  11. RIDDLE
    Hi,everyone I am a HongKonger I study physics in english . Now, I am learning force and motion but I forgot the concept of the normal reaction and weight , my teacher said I have to read the book to learn it again but I think the most important is `how to calculate the force ` I think those concept is useless . I want to ask is it useless for know the concept or good for know it? Also , I want to ask how to study physics effectively . （my English is suck ,there may be many grammar mistake,please forgive me)
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