Norton Pierce
09/06/2023 · Middle School
4. Qiya tekislikdagi yukni balandlikka ko'tarishda 20 J ish bajarildi. Bunda FIKi \( 80 \% \) bo'lgan mexanizmdan foydalanildi. Foydali ishni hisoblang.
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Foydali ishni hisoblash uchun avval ishning foydali qismi va mexanizmdan foydalanish samaradorligini hisobga olishimiz kerak.
Berilgan ma'lumotlar:
- Umumiy ish (A) = 20 J
- Foydali ish koeffitsienti (FIKi) = 80% = 0.8
Foydali ish (W_f) quyidagi formula orqali hisoblanadi:
\[
W_f = A \times FIKi
\]
Shu formulani qo'llab, foydali ishni hisoblaymiz:
\[
W_f = 20 \, J \times 0.8 = 16 \, J
\]
Demak, foydali ish 16 J ga teng.
Quick Answer
Foydali ish 16 J ga teng.
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