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<p><strong>Good day viewers!</strong><br>Welcome to today’s Physics class here on <strong>AllCBTs</strong>, where we’ll be working through actual <strong>NECO Physics past questions</strong>. These are topics you cannot afford to skip, especially if you want to score an A1.</p>
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<p>Let’s jump right into it.</p>
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<p>You can watch the full class in the video below:</p>
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https://www.youtube.com/watch?v=zV2vERGemos
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<h2 class="wp-block-heading" id="h-question-1-which-of-the-following-is-a-scalar-quantity">Question 1: Which of the Following Is a Scalar Quantity?</h2>
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<p>A scalar quantity is one that has <strong>only magnitude</strong> but <strong>no direction</strong>.</p>
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<p>Let’s examine the options:</p>
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<ul class="wp-block-list"><!-- wp:list-item -->
<li><strong>Velocity</strong> – Vector (has both magnitude and direction)</li>
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<li><strong>Acceleration</strong> – Vector</li>
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<li><strong>Force</strong> – Vector</li>
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<li><strong>Mass</strong> – <strong>Scalar</strong></li>
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<h3 class="wp-block-heading" id="h-final-answer-mass">Final Answer: <strong>Mass</strong></h3>
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<h2 class="wp-block-heading" id="h-question-2-what-is-the-unit-of-force">Question 2: What Is the Unit of Force?</h2>
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<p>This question is based on <strong>Newton’s Second Law of Motion</strong>, which states: F=m×aF = m \times aF=m×a</p>
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<p>Where:</p>
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<ul class="wp-block-list"><!-- wp:list-item -->
<li>FFF = Force</li>
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<li>mmm = Mass</li>
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<li>aaa = Acceleration</li>
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<p>So, the <strong>unit of force</strong> is: kg×m/s2=Newton (N)\text{kg} \times \text{m/s}^2 = \text{Newton (N)}kg×m/s2=Newton (N)</p>
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<h3 class="wp-block-heading" id="h-final-answer-newton-option-b">Final Answer: <strong>Newton (Option B)</strong></h3>
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<h2 class="wp-block-heading" id="h-question-3-calculating-acceleration-of-a-moving-car">Question 3: Calculating Acceleration of a Moving Car</h2>
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<p><strong>Problem:</strong><br>A car accelerates from <strong>rest</strong> to <strong>20 m/s</strong> in <strong>5 seconds</strong>. What is its acceleration?</p>
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<h3 class="wp-block-heading" id="h-given">Given:</h3>
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<ul class="wp-block-list"><!-- wp:list-item -->
<li>Initial velocity (uuu) = 0 m/s</li>
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<li>Final velocity (vvv) = 20 m/s</li>
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<li>Time (ttt) = 5 s</li>
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<p>We use the formula: a=v−uta = \frac{v - u}{t}a=tv−u =20−05=205=4 m/s2= \frac{20 - 0}{5} = \frac{20}{5} = 4 \text{ m/s}^2=520−0=520=4 m/s2</p>
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<h3 class="wp-block-heading" id="h-final-answer-4-m-s²">Final Answer: <strong>4 m/s²</strong></h3>
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<h2 class="wp-block-heading" id="h-why-these-questions-matter">Why These Questions Matter</h2>
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<p>These are <strong>high-frequency questions</strong> in GCE Physics Paper 1 and 2. You must master:</p>
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<ul class="wp-block-list"><!-- wp:list-item -->
<li>Differences between scalar and vector quantities</li>
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<li>Applying Newton’s Laws of Motion</li>
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<li>Using acceleration formulas correctly</li>
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<p><mark style="background-color:rgba(0, 0, 0, 0)" class="has-inline-color has-vivid-cyan-blue-color"><strong>Watch more educational videos and past questions:</strong> </mark><a href="https://youtube.com/@allcbts">https://youtube.com/@allcbts</a></p>
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<h2 class="wp-block-heading" id="h-seo-blog">SEO Blog</h2>
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<p><strong>Meta Description:</strong></p>
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<blockquote class="wp-block-quote"><!-- wp:paragraph -->
<p>Get ready for NECO Physics 2025 with this solved past question set featuring scalars, Newton's laws, and car acceleration. Ideal for Paper 1 prep.</p>
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<p><strong>Keywords:</strong><br>NECO Physics 2025, scalar vs vector, Newton’s second law, force unit, acceleration formula, solved physics questions GCE, AllCBTs tutorials</p>
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