Class 9 | Science and Technology | Chapter 8 | Simple Machine Numerical

कक्षा ९ | विज्ञान तथा प्रविधि | एकाइ ८ | सरल यन्त्र
Class 9 | Science and Technology | Chapter 8 | Simple Machine Numerical

In this video, I'll teach you Class 9 Science and Technology, Chapter 8 Simple Machine. Complete Solution of Class 9 Science and Technology, Chapter 8 Simple Machine.

Chapters:
सरल यन्त्र (Simple Machine)
घिर्नी (Pulley)
गति अनुपात  (Velocity ratio)
यान्त्रिक फाइदा (Mechanical Advantage)
छड्के सतह (Inclined plane)
फेसो (Wedge)
पेच (Screw)
पाङ्ग्रा र बिड (Wheel and Axle)
कार्यक्षमता (Efficiency)
पूर्ण यन्त्र (Perfect machine)

कक्षा ९ विज्ञान तथा प्रविधि बिषय अन्तर्गत एकाइ ८ (सरल यन्त्र) पाठको अभ्यासका सबै प्रश्न उत्तर #Class9ScienceandTechnology #कक्षा९विज्ञानतथाप्रविधि #Class9Science

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