SAINS (KERJA, TENAGA DAN KUASA) by NUR HANANI BT IDRUS Moe https://padlet.com/g78411567/5ged7z966jktluao KELAS : 3 JUJUR en-us 2021-08-01 07:54:28 UTC 2024-05-28 15:51:45 UTC hello@padlet.com https://padlet.net/icons/png/1f52c.png g78411567 https://padlet.com/g78411567/5ged7z966jktluao/wish/1665833313 Seorang pemanjat 65 kg memanjat bukit yang tingginya 60 m dalam masa 5 minit. Kuasa output bagi pemanjat tersebut adalah]]> 2021-08-01 08:11:14 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1665833313 g78411567 https://padlet.com/g78411567/5ged7z966jktluao/wish/1665835624 Rajah menunujukkan sebuah motor mengangkat beban 8.0 kg. Motor itu mengambil masa 4.0 s untuk sampai pada suatu ketinggian 0.5 m.
Berapakah kuasa motor itu?
]]> 2021-08-01 08:18:43 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1665835624 g78411567 https://padlet.com/g78411567/5ged7z966jktluao/wish/1665835870 Rajah menunjukkan seorang ahli angkat berat berjaya mengangkat beban 60 kg.
Hitung kerja yang telah dilakukan untuk mengangkat beban tersebut.
]]> 2021-08-01 08:19:10 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1665835870 g78411567 https://padlet.com/g78411567/5ged7z966jktluao/wish/1665836454 Rajah menunjukkan seorang murid berjisim 70 kg menaiki tangga setinggi 4 m dalam masa 40 s.
Berapakah kuasa yang dijanakan oleh murid itu?
]]> 2021-08-01 08:21:13 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1665836454 g78411567 https://padlet.com/g78411567/5ged7z966jktluao/wish/1665838897 Liza mengangkat sebuah kerusi seberat 40N sehingga ke aras ketinggian 50 cm.
Berapakah kerja yang dilakukan oleh liza untuk mengangkat kerusi itu?
]]> 2021-08-01 08:25:10 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1665838897 g78411567 https://padlet.com/g78411567/5ged7z966jktluao/wish/1665839077 Seorang murid mempunyai berat badan 400N, mengangkat beban 100 N menaiki tangga dengan tinggi tegak 3m. Hitungkan kerja yang dilakukan oleh murid terebut.]]> 2021-08-01 08:25:50 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1665839077 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666135246 W = f×s
    = (65×10)×60
    = 39 000 J]]> 2021-08-02 01:02:06 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666135246 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666138356 2021-08-02 01:05:39 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666138356 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666138606 2021-08-02 01:06:00 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666138606 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666139048 2021-08-02 01:06:35 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666139048 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666141151 Alia]]> 2021-08-02 01:09:05 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666141151 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666143414 P=w÷t                          W=fs                           
P=39000÷(5×60)        W=(65×10)×60
P=130W                        W=39000J]]> 2021-08-02 01:11:31 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666143414 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666143972 2021-08-02 01:12:13 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666143972 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666146273 2021-08-02 01:14:55 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666146273 soffiyah https://padlet.com/g78411567/5ged7z966jktluao/wish/1666146396 p = w/t
   = 2800/40s
   = 70 Joule


]]> 2021-08-02 01:15:03 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666146396 soffiyah https://padlet.com/g78411567/5ged7z966jktluao/wish/1666148212 40N X 0.5m
20J]]> 2021-08-02 01:17:05 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666148212 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666150262 2021-08-02 01:19:24 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666150262 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666150982 Alia]]> 2021-08-02 01:20:12 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666150982 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666151014 2021-08-02 01:20:14 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666151014 https://padlet.com/g78411567/5ged7z966jktluao/wish/1666151918 2021-08-02 01:21:12 UTC https://padlet.com/g78411567/5ged7z966jktluao/wish/1666151918