7.1 Kerja, Tenaga dan Kuasa

Quiz
•
Science
•
8th Grade
•
Hard
NURSHAFIQA KPM-Guru
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara situasi berikut, yang manakah menunjukkan kerja dilakukan menurut konsep fizik?
Seorang pelajar menolak dinding tetapi dinding tidak bergerak
Seorang pelajar mengangkat beg dan berjalan ke kelas
Seorang pelajar berdiri memegang buku
Seorang pelajar duduk di atas kerusi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah formula untuk mengira kerja?
Kuasa ÷ masa
Jisim × ketinggian
Daya × jarak
Tenaga ÷ masa
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unit SI bagi kerja ialah
Newton
Joule
Watt
Meter
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seorang pelajar menolak kotak dengan daya 15 N sejauh 4 meter. Berapakah kerja yang dilakukan?
60 J
19 J
11 J
3.75 J
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang dimaksudkan dengan kuasa dalam fizik?
Daya yang dikenakan pada satu objek
Kadar melakukan kerja
Jumlah tenaga yang digunakan
Keupayaan untuk bergerak
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seorang atlet melakukan kerja sebanyak 1000 J dalam masa 20 saat. Berapakah kuasa yang digunakan?
20 W
20000 W
50 W
500 W
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