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How Forces Affect Motion — Flashcards

CBSE · Class 9 · Science

72 flashcards for How Forces Affect Motion (CBSE Class 9 Science) to test yourself on key terms and facts. Sample: "What is force?"

110 questions72 flashcards5 concepts

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72 Flashcards·
Concept of Forceबल की अवधारणाUnits of Forceबल की इकाइयाँबल का मापनMeasuring Force
Card 1Concept of Force

What is force?

Answer

Force can make an object move from rest, change the speed or direction of a moving object, and change the shape of an object.

Card 2बल की अवधारणा

बल क्या है?

Answer

बल किसी वस्तु को विराम से गति में ला सकता है, गतिमान वस्तु की चाल या दिशा बदल सकता है, और किसी वस्तु का आकार बदल सकता है।…

Card 3बल की अवधारणा

बल का वर्णन परिमाण और दिशा दोनों के साथ क्यों करना चाहिए?

Answer

बल एक भौतिक राशि है जिसे पूरी तरह जानने के लिए आकार और दिशा दोनों की जरूरत होती है, ठीक वैसे ही जैसे वेग और त्वरण के लिए होती है। समान आकार का बल अपनी दिशा बदलने पर अलग प्रभाव डाल सकता है।…

Card 4Concept of Force

Why must force be described with both magnitude and direction?

Answer

Force is a physical quantity that needs size and direction to be fully known, just like velocity and acceleration. A force of the same size can have a different effect if its direction changes.

Card 5Units of Force

What is the SI unit of force?

Answer

The SI unit of force is newton. Its symbol is N. One newton is the force that produces an acceleration of 1 m s^-2 on an object of mass 1 kg.

Card 6बल की इकाइयाँ

बल की SI इकाई क्या है?

Answer

बल की SI इकाई न्यूटन है। इसका प्रतीक N है। एक न्यूटन वह बल है जो 1 kg द्रव्यमान वाली वस्तु पर 1 m s^-2 का त्वरण उत्पन्न करता है।…

Card 7बल का मापन

सामान्य रूप से बल को कैसे मापा जा सकता है?

Answer

स्प्रिंग बैलेंस सामान्य रूप से किसी बल का परिमाण माप सकता है, केवल भार का नहीं। यह दिखाता है कि जब किसी वस्तु को खींचा जाता है तो कितना बल लगाया गया है।…

Card 8Measuring Force

How can force be measured in general?

Answer

A spring balance can measure the magnitude of a force in general, not only weight. It shows how much force is applied when an object is pulled.

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Frequently Asked Questions

What are the important topics in How Forces Affect Motion for CBSE Class 9 Science?
Key topics in How Forces Affect Motion include Concept of Force, Balanced and Unbalanced Forces, Friction and Motion, Newton's First Law of Motion and Inertia. Study these first, then practise questions on each for Class 9 exams.
How many flashcards are available for How Forces Affect Motion?
There are 72 flashcards for How Forces Affect Motion covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise How Forces Affect Motion for Class 9 exams?
Learn the core ideas first, then work through the 110 practice questions on How Forces Affect Motion. Revise definitions regularly and use flashcards for quick recall before the exam.

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