Work and Energy

A skill of Science in Nafes National Test — Third Intermediate. Practise it with explained questions, and review your mistakes until you master it.

Skill lessons

  • الشغل والقدرة: متى تبذل قوة شغلًا؟
    الشغل قوة × إزاحة في اتجاهها، والقدرة هي الشغل في الثانية، مع أمثلة محلولة.
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