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CHAPTER THREE
⭐️DYNAMICS
💎Newton 1st law
💎Newton 2st law
💎Newton 3st law
💎Types of force
𝑻𝑯𝑬 𝑸𝑼𝑨𝑵𝑻𝑼𝑴 𝑴𝑬𝑪𝑯𝑨𝑵𝑰𝑪𝑨𝑳 𝑴𝑶𝑫𝑬𝑳 𝑶𝑭 𝑻𝑯𝑬 𝑨𝑻𝑶𝑴
🌿 𝑻𝒉𝒆 𝒔𝒐𝒑𝒉𝒊𝒔𝒕𝒊𝒄𝒂𝒕𝒆𝒅 𝒎𝒂𝒕𝒉𝒆𝒎𝒂𝒕𝒊𝒄𝒂𝒍 𝒅𝒆𝒔𝒄𝒓𝒊𝒑𝒕𝒊𝒐𝒏 𝒐𝒇 𝒂𝒕𝒐𝒎𝒊𝒄 𝒔𝒕𝒓𝒖𝒄𝒕𝒖𝒓𝒆 𝒃𝒂𝒔𝒆𝒅 𝒐𝒏 𝒕𝒉𝒆 𝒘𝒂𝒗𝒆 𝒑𝒓𝒐𝒑𝒆𝒓𝒕𝒊𝒆𝒔 𝒐𝒇 𝒔𝒖𝒃𝒂𝒕𝒐𝒎𝒊𝒄 𝒑𝒂𝒓𝒕𝒊𝒄𝒍𝒆𝒔 𝒊𝒔 𝒄𝒂𝒍𝒍𝒆𝒅 𝒘𝒂𝒗𝒆 𝒎𝒆𝒄𝒉𝒂𝒏𝒊𝒄𝒔 𝒐𝒓 𝒒𝒖𝒂𝒏𝒕𝒖𝒎 𝒎𝒆𝒄𝒉𝒂𝒏𝒊𝒄𝒔.
🌿 𝑺𝒄𝒓ö𝒅𝒊𝒏𝒈𝒆𝒓 𝒅𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒅 𝒂 𝒎𝒐𝒅𝒆𝒍 𝒐𝒇 𝒕𝒉𝒆 𝒉𝒚𝒅𝒓𝒐𝒈𝒆𝒏 𝒂𝒕𝒐𝒎 𝒃𝒂𝒔𝒆𝒅 𝒐𝒏 𝒕𝒉𝒆 𝒘𝒂𝒗𝒆 𝒏𝒂𝒕𝒖𝒓𝒆 𝒐𝒇 𝒕𝒉𝒆 𝒆𝒍𝒆𝒄𝒕𝒓𝒐𝒏
🌿 𝑻𝒉𝒆 𝒘𝒂𝒗𝒆 𝒆𝒒𝒖𝒂𝒕𝒊𝒐𝒏𝒔 𝒕𝒉𝒂𝒕 𝒂𝒓𝒆 𝒂𝒄𝒄𝒆𝒑𝒕𝒂𝒃𝒍𝒆 𝒔𝒐𝒍𝒖𝒕𝒊𝒐𝒏𝒔 𝒕𝒐 𝒕𝒉𝒆 𝑺𝒄𝒉𝒓ö𝒅𝒊𝒏𝒈𝒆𝒓 𝒆𝒒𝒖𝒂𝒕𝒊𝒐𝒏 𝒂𝒓𝒆 𝒄𝒂𝒍𝒍𝒆𝒅 𝒘𝒂𝒗𝒆 𝒇𝒖𝒏𝒄𝒕𝒊𝒐𝒏𝒔
𝑻𝒉𝒆 𝑯𝒆𝒊𝒔𝒆𝒏𝒃𝒆𝒓𝒈'𝒔 𝑷𝒓𝒊𝒏𝒄𝒊𝒑𝒍𝒆
🌿 𝑯𝒆𝒊𝒔𝒆𝒏𝒃𝒆𝒓𝒈 𝒇𝒐𝒓𝒎𝒖𝒍𝒂𝒕𝒆𝒅 𝒘𝒉𝒂𝒕 𝒊𝒔 𝒌𝒏𝒐𝒘𝒏 𝒂𝒔 𝒕𝒉𝒆 𝑯𝒆𝒊𝒔𝒆𝒏𝒃𝒆𝒓𝒈 𝒖𝒏𝒄𝒆𝒓𝒕𝒂𝒊𝒏𝒕𝒚 𝒑𝒓𝒊𝒏𝒄𝒊𝒑𝒍𝒆,
🌿 𝒘𝒉𝒊𝒄𝒉 𝒔𝒕𝒂𝒕𝒆𝒔 𝒕𝒉𝒂𝒕 𝒊𝒕 𝒊𝒔 𝒊𝒎𝒑𝒐𝒔𝒔𝒊𝒃𝒍𝒆 𝒕𝒐 𝒌𝒏𝒐𝒘 𝒔𝒊𝒎𝒖𝒍𝒕𝒂𝒏𝒆𝒐𝒖𝒔𝒍𝒚 𝒃𝒐𝒕𝒉 𝒕𝒉𝒆 𝒎𝒐𝒎𝒆𝒏𝒕𝒖𝒎 𝒑 (𝒑 = 𝒎𝒗)
𝒂𝒏𝒅 𝒕𝒉𝒆 𝒑𝒐𝒔𝒊𝒕𝒊𝒐𝒏 𝒐𝒇 𝒂 𝒑𝒂𝒓𝒕𝒊𝒄𝒍𝒆 𝒘𝒊𝒕𝒉 𝒄𝒆𝒓𝒕𝒂𝒊𝒏𝒕𝒚. 𝑴𝒂𝒕𝒉𝒆𝒎𝒂𝒕𝒊𝒄𝒂𝒍𝒍𝒚, 𝒕𝒉𝒆 𝑯𝒆𝒊𝒔𝒆𝒏𝒃𝒆𝒓𝒈'𝒔
𝒖𝒏𝒄𝒆𝒓𝒕𝒂𝒊𝒏𝒕𝒚 𝒑𝒓𝒊𝒏𝒄𝒊𝒑𝒍𝒆 𝒊𝒔 𝒈𝒊𝒗𝒆𝒏 𝒂𝒔
4𝒉π ≤ ∆𝒙 × ∆𝒑
𝒘𝒉𝒆𝒓𝒆 ∆𝒙 𝒂𝒏𝒅 ∆𝒑 𝒂𝒓𝒆 𝒕𝒉𝒆 𝒖𝒏𝒄𝒆𝒓𝒕𝒂𝒊𝒏𝒕𝒊𝒆𝒔 𝒊𝒏 𝒎𝒆𝒂𝒔𝒖𝒓𝒊𝒏𝒈 𝒕𝒉𝒆 𝒑𝒐𝒔𝒊𝒕𝒊𝒐𝒏 𝒂𝒏𝒅
𝒎𝒐𝒎𝒆𝒏𝒕𝒖𝒎, 𝒓𝒆𝒔𝒑𝒆𝒄𝒕𝒊𝒗𝒆𝒍𝒚.
🌿 𝑻𝒉𝒆 𝒂𝒃𝒐𝒗𝒆 𝒆𝒒𝒖𝒂𝒕𝒊𝒐𝒏 𝒔𝒂𝒚𝒔 𝒕𝒉𝒂𝒕 𝒊𝒇 𝒘𝒆 𝒎𝒆𝒂𝒔𝒖𝒓𝒆 𝒕𝒉𝒆 𝒎𝒐𝒎𝒆𝒏𝒕𝒖𝒎 𝒐𝒇 𝒂 𝒑𝒂𝒓𝒕𝒊𝒄𝒍𝒆 𝒑𝒓𝒆𝒄𝒊𝒔𝒆𝒍𝒚 (𝒊.𝒆. 𝒊𝒇
∆𝒑 𝒊𝒔 𝒎𝒂𝒅𝒆 𝒗𝒆𝒓𝒚 𝒔𝒎𝒂𝒍𝒍), 𝒕𝒉𝒆𝒏 𝒕𝒉𝒆 𝒑𝒐𝒔𝒊𝒕𝒊𝒐𝒏 𝒘𝒊𝒍𝒍 𝒃𝒆 𝒄𝒐𝒓𝒓𝒆𝒔𝒑𝒐𝒏𝒅𝒊𝒏
🌿𝑻𝒉𝒆 𝒏𝒂𝒎𝒆 𝒆𝒍𝒆𝒄𝒕𝒓𝒐𝒏 𝒔𝒑𝒊𝒏 𝒒𝒖𝒂𝒏𝒕𝒖𝒎 𝒔𝒖𝒈𝒈𝒆𝒔𝒕𝒔 𝒕𝒉𝒂𝒕 𝒆𝒍𝒆𝒄𝒕𝒓𝒐𝒏𝒔 𝒉𝒂𝒗𝒆 𝒂 𝒔𝒑𝒊𝒏𝒏𝒊𝒏𝒈
𝒎𝒐𝒕𝒊𝒐𝒏
𝑬𝒙𝒂𝒎𝒑𝒍𝒆
1.𝑾𝒉𝒂𝒕 𝒗𝒂𝒍𝒖𝒆𝒔 𝒐𝒇 𝒕𝒉𝒆 𝒂𝒏𝒈𝒖𝒍𝒂𝒓 𝒎𝒐𝒎𝒆𝒏𝒕𝒖𝒎 𝒒𝒖𝒂𝒏𝒕𝒖𝒎 𝒏𝒖𝒎𝒃𝒆𝒓 𝒍 𝒂𝒏𝒅 𝒎𝒂𝒈𝒏𝒆𝒕𝒊𝒄 𝒒𝒖𝒂𝒏𝒕𝒖𝒎
𝒏𝒖𝒎𝒃𝒆𝒓 (𝒎𝒍 ) 𝒂𝒓𝒆 𝒂𝒍𝒍𝒐𝒘𝒆𝒅 𝒇𝒐𝒓 𝒂 𝒑𝒓𝒊𝒏𝒄𝒊𝒑𝒂𝒍 𝒒𝒖𝒂𝒏𝒕𝒖𝒎 𝒏𝒖𝒎𝒃𝒆𝒓 𝒏 𝒐𝒇 3?
𝑯𝒐𝒘 𝒎𝒂𝒏𝒚 𝒐𝒓𝒃𝒊𝒕𝒂𝒍𝒔 𝒂𝒓𝒆 𝒂𝒍𝒍𝒐𝒘𝒆𝒅 𝒇𝒐𝒓 𝒏 = 3?
2. 𝑮𝒊𝒗𝒆 𝒕𝒉𝒆 𝒏𝒂𝒎𝒆, 𝒎𝒂𝒈𝒏𝒆𝒕𝒊𝒄 𝒒𝒖𝒂𝒏𝒕𝒖𝒎 𝒏𝒖𝒎𝒃𝒆𝒓𝒔, 𝒂𝒏𝒅 𝒏𝒖𝒎𝒃𝒆𝒓𝒔 𝒐𝒇 𝒐𝒓𝒃𝒊𝒕𝒂𝒍𝒔 𝒇𝒐𝒓 𝒆𝒂𝒄𝒉 𝒔𝒖𝒃𝒍𝒆𝒗𝒆𝒍 𝒘𝒊𝒕𝒉 𝒕𝒉𝒆 𝒇𝒐𝒍𝒍𝒐𝒘𝒊𝒏𝒈 𝒒𝒖𝒂𝒏𝒕𝒖𝒎 𝒏𝒖𝒎𝒃𝒆𝒓𝒔:
𝒂 𝒏 = 3, 𝒍 = 2 𝒄 𝒏 = 5, 𝒍 = 1
𝒃 𝒏 = 2, 𝒍 = 0 𝒅 𝒏 = 4, 𝒍 = 3
Find oxidation number for the following questions
1 chromate
2 Dichromate
3 sulfate
4 nitrate
If it's not clear for you🤷♀️🤷 I will explain it so tell me to a comment
ሰላም ተማሪዎች
ከ 9ኛ ክፍል እስከ 12ኛ ክፍል ያላችሁ ተማሪዎች በሙሉ በአካዳሚክ የትምህርት ጉዞዋችሁ ላይ ሊያጠነክሯችሁ የሚችሉ የተለያዩ
** አስተማሪ ጥያቄዎች
** የመማሪያ ቪዲዮዎችን
** የተለያዩ አጠሬራዎችን
** ስዕላዊ መግለጫዎችን
** የውጪ እና የሀገር ውስጥ አጋዥ መጽሐፍትን
** በየሳምንቱም አጫጭር ፈተናዎችን
** ትምህርታዊ ዜናዎችንና ማስታወቂያዎችን
** በየቀኑም ምርጥ ምርጥ የሆኑ ኖቶችን
** በየክፍሉ መማሪያ መጽሐፍትን
እንዲሁም ለሀገር አቀፍ ፈተና የሚያዘጋጁ ጠቃሚ ነገሮችን
የምንለቅላችሁ ስለሚሆንን ከወዲሁ በዚህኛው ቻናላችን እንድትቀላቀሉን እናሳስባለን።
╔═══════════╗
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https://t.me/omo_academy 🇪🇹
╚═══════════╝
ᴏᴍᴏ ᴀᴄᴀᴅᴇᴍʏ
ʏᴏᴜʀ ᴘᴀᴛʜ ᴡᴀʏ ᴛᴏ sᴜᴄᴄᴇss !
ሰላም ተማሪዎች
ከዚህ በፊት ለእናንተ በኢትዮጵያ ትምህርት ስርዓት እና በኢትዮጵያዊያን የተፃፉ የተለያዩ መፅሐፍትንና አጋዥ መጽሐፍትን ᴘᴏsᴛ እያደረገን ቆይተናል።
አሁን ደግሞ የውጪ አጋዥ መጽሐፍትን ለመልቀቅ ስለፈለግን ማነኛውም የምትፈልጉትን መጽሐፍ በተፈጥሮ ሳይንስ ዙሪያ እናመጣለን።
በኮሜንት ስር ንገሩን !
ያለንን በአንድ ሳምንት ፖስት እናደርጋለን።
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ᴏᴍᴏ ᴀᴄᴀᴅᴇᴍʏ
ʏᴏᴜʀ ᴘᴀᴛʜ ᴡᴀʏ ᴛᴏ sᴜᴄᴄᴇss !
10) __________ is the finger-like projections of the lining of the small
intestine
9) ___________ is the wave like muscle
contractions to move food
along.
8) ________ is/are short, arm-like
protuberances of a nerve
cell.
7) _________ is a minute hair-like
structures that increase the
surface area of a cell.
6) _____________ microscopic sac-like structure in the lungs with a large
surface area
5) ___________ bristle-like
structures that help
segmented worms to move
4) _____________ aquatic
creatures with bodies made
up of a cephalothorax and abdomen, four pairs of legs, two pairs of antennae and simple eyes.
2) ___________ movement of substances against a concentration
gradient using energy from
respiration
1) __________ is a thin sac at
the head of a sperm cell
containing enzymes which dissolve the protective layers of an egg cell.
𝑇ℎ𝑒 𝑟𝑖𝑔ℎ𝑡 𝑎𝑛𝑑 𝑙𝑒𝑓𝑡 𝑠𝑖𝑑𝑒 𝑜𝑓 𝑡ℎ𝑒 ℎ𝑒𝑎𝑟𝑡 𝑚𝑎𝑦 𝑏𝑒𝑎𝑡 𝑎𝑠 𝑜𝑛𝑒 𝑢𝑛𝑖𝑡, 𝑏𝑢𝑡 𝑡ℎ𝑒𝑦 𝑎𝑟𝑒 𝑐𝑜𝑚𝑝𝑙𝑒𝑡𝑒𝑙𝑦 𝑠𝑒𝑝𝑎𝑟𝑎𝑡𝑒 𝑓𝑟𝑜𝑚 𝑒𝑎𝑐ℎ 𝑜𝑡ℎ𝑒𝑟 𝑤𝑖𝑡ℎ 𝑟𝑒𝑠𝑝𝑒𝑐𝑡 𝑡𝑜 𝑡ℎ𝑒 𝑏𝑙𝑜𝑜𝑑 𝑡ℎ𝑒𝑦 𝑐𝑜𝑛𝑡𝑎𝑖𝑛.
𝐵𝑜𝑡ℎ 𝑡ℎ𝑒 𝑟𝑖𝑔ℎ𝑡 𝑎𝑛𝑑 𝑙𝑒𝑓𝑡 𝑎𝑡𝑟𝑖𝑎 𝑎𝑟𝑒 𝑠𝑒𝑝𝑎𝑟𝑎𝑡𝑒𝑑 𝑓𝑟𝑜𝑚 𝑡ℎ𝑒𝑖𝑟 𝑟𝑒𝑠𝑝𝑒𝑐𝑡𝑖𝑣𝑒 𝑣𝑒𝑛𝑡𝑟𝑖𝑐𝑙𝑒𝑠 𝑏𝑦 𝑡ℎ𝑒 𝑎𝑡𝑟𝑖𝑜𝑣𝑒𝑛𝑡𝑟𝑖𝑐𝑢𝑙𝑎𝑟
(𝐴𝑣) 𝑣𝑎𝑙𝑣𝑒𝑠, 𝑓𝑜𝑙𝑑𝑠 𝑜𝑓 𝑡𝑜𝑢𝑔ℎ 𝑡𝑖𝑠𝑠𝑢𝑒 𝑡ℎ𝑎𝑡 𝑜𝑝𝑒𝑛 𝑖𝑛 𝑜𝑛𝑒 𝑑𝑖𝑟𝑒𝑐𝑡𝑖𝑜𝑛 𝑜𝑛𝑙𝑦, 𝑓𝑟𝑜𝑚 𝑡ℎ𝑒 𝑎𝑡𝑟𝑖𝑢𝑚 𝑖𝑛𝑡𝑜 𝑡ℎ𝑒 𝑣𝑒𝑛𝑡𝑟𝑖𝑐𝑙𝑒. 𝐴𝑡𝑟𝑖𝑜𝑣𝑒𝑛𝑡𝑟𝑖𝑐𝑢𝑙𝑎𝑟 𝑣𝑎𝑙𝑣𝑒𝑠
𝑎𝑟𝑒 𝑎𝑙𝑠𝑜 𝑘𝑛𝑜𝑤𝑛 𝑎𝑠 𝑐𝑢𝑠𝑝𝑖𝑑 𝑣𝑎𝑙𝑣𝑒𝑠.
𝑇ℎ𝑒 𝑎𝑡𝑟𝑖𝑎 𝑟𝑒𝑐𝑒𝑖𝑣𝑒 𝑏𝑙𝑜𝑜𝑑 𝑟𝑒𝑡𝑢𝑟𝑛𝑖𝑛𝑔 𝑡𝑜 𝑡ℎ𝑒 ℎ𝑒𝑎𝑟𝑡 𝑎𝑛𝑑 𝑡ℎ𝑒𝑛 𝑝𝑢𝑚𝑝 𝑡ℎ𝑎𝑡 𝑏𝑙𝑜𝑜𝑑 𝑖𝑛𝑡𝑜 𝑡ℎ𝑒 𝑣𝑒𝑛𝑡𝑟𝑖𝑐𝑙𝑒𝑠. 𝑇ℎ𝑒 𝑣𝑒𝑛𝑡𝑟𝑖𝑐𝑙𝑒𝑠 𝑎𝑟𝑒 𝑡ℎ𝑒 𝑚𝑜𝑟𝑒 𝑚𝑢𝑠𝑐𝑢𝑙𝑎𝑟 𝑝𝑢𝑚𝑝𝑠 𝑜𝑓 𝑡ℎ𝑒 ℎ𝑒𝑎𝑟𝑡, 𝑏𝑒𝑐𝑎𝑢𝑠𝑒 𝑡ℎ𝑒𝑦 𝑚𝑢𝑠𝑡 𝑔𝑒𝑛𝑒𝑟𝑎𝑡𝑒
𝑒𝑛𝑜𝑢𝑔ℎ 𝑓𝑜𝑟𝑐𝑒 𝑡𝑜 𝑝𝑟𝑜𝑝𝑒𝑙 𝑡ℎ𝑒 𝑏𝑙𝑜𝑜𝑑 𝑜𝑢𝑡 𝑖𝑛𝑡𝑜 𝑐𝑖𝑟𝑐𝑢𝑙𝑎𝑡𝑖𝑜𝑛 𝑎𝑔𝑎𝑖𝑛𝑠𝑡 𝑡ℎ𝑒 𝑝𝑟𝑒𝑠𝑠𝑢𝑟𝑒𝑠 𝑒𝑥𝑖𝑠𝑡𝑖𝑛𝑔 𝑖𝑛 𝑡ℎ𝑒 𝑡𝑤𝑜 𝑐𝑖𝑟𝑐𝑢𝑖𝑡𝑠.
𝑇ℎ𝑒 𝑚𝑢𝑠𝑐𝑢𝑙𝑎𝑟 𝑤𝑎𝑙𝑙𝑠 𝑜𝑓 𝑡ℎ𝑒
𝑎𝑡𝑟𝑖𝑎 𝑎𝑟𝑒 𝑡ℎ𝑖𝑛𝑛𝑒𝑟 𝑡ℎ𝑎𝑛 𝑡ℎ𝑜𝑠𝑒 𝑜𝑓 𝑡ℎ𝑒 𝑣𝑒𝑛𝑡𝑟𝑖𝑐𝑙𝑒𝑠, 𝑟𝑒𝑓𝑙𝑒𝑐𝑡𝑖𝑛𝑔 𝑡ℎ𝑒 𝑓𝑎𝑐𝑡 𝑡ℎ𝑎𝑡 𝑡ℎ𝑒𝑦 𝑑𝑜 𝑛𝑜𝑡 ℎ𝑎𝑣𝑒 𝑡𝑜 𝑔𝑒𝑛𝑒𝑟𝑎𝑡𝑒 𝑡ℎ𝑒 ℎ𝑖𝑔ℎ 𝑓𝑜𝑟𝑐𝑒𝑠 𝑟𝑒𝑞𝑢𝑖𝑟𝑒𝑑 𝑜𝑓 𝑡ℎ𝑒 𝑣𝑒𝑛𝑡𝑟𝑖𝑐𝑙𝑒𝑠.
