Unit S.I. bagi kerja ialah joule (J) . 1 joule bersamaan dengan kerja yang dilakukan apabila daya 1 newton menggerakkan objek sejauh 1 meter dalam arah daya tersebut.
Panduan Lengkap: Jawapan Buku Teks Fizik Tingkatan 4 KSSM - Aktiviti 1.3 (Work Work)
A student lifts a 2 kg book from the floor to a table 1.5 m high. What is the work done by the student? (Assume gravitational acceleration ( g = 9.8 \text m/s^2 ))
For work to be done, two conditions must be met: Unit S
Adakah anda memerlukan bantuan untuk yang lain dalam Bab 1 atau topik Graf Fizik yang seterusnya? FIZIK TINGKATAN 4 BAB 1 PENGUKURAN AKTIVITI 1.3
First, calculate the work done:
GPE = m × g × h = 10 kg × 9.8 m/s^2 × 4 m = 392 J Panduan Lengkap: Jawapan Buku Teks Fizik Tingkatan 4
Terdapat daya yang dikenakan bertentangan dengan graviti dan objek bergerak (sesaran) mengikut arah daya tersebut. Contoh Pengiraan Kerja
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Oleh kerana saya tidak mempunyai gambar halaman buku teks fizik anda, saya tidak dapat memberikan jawapan yang tepat untuk setiap soalan bernombor. FIZIK TINGKATAN 4 BAB 1 PENGUKURAN AKTIVITI 1
Soalan 2:
Memahami "Kerja" dalam Fizik membantu kita melihat dunia dengan lebih logik:
Dalam Aktiviti 13 buku teks Fizik Tingkatan 4 KSSM, pelajar diminta untuk menjalankan eksperimen untuk memahami konsep kerja dalam Fizik. Berikut adalah jawapan bagi Aktiviti 13:
The work done = 29.4 J. Calculation: ( W = F \times s = (m \times g) \times h = (2 \times 9.8) \times 1.5 = 29.4 \text J )
