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<html><body><h2 id="content-id-8635742901-2"><b>Science Questions Overview</b></h2><p>Science Questions have a good weightage in the Ssc Chsl Exam and the type of question asked in Ssc Chsl exam is similar to the question mentioned below. It has been solved and explained by KD Live Experts under the guidance of Neetu Mam and they have tried to elaborate the concept used in Science Questions.</p><h2 id="content-id-6195307284-3"><b>Question On Science </b></h2>The momentum of an object changes from 100 kg-m/s to 400 kg-m/s in 3 seconds. What is the force applied on it?
<div class="row show--dificulty--bar" style="margin-top:8px;"><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex !important;border-right:0.1px solid #eee;"><h3 style="font-size:12px !important;">Difficulty : Moderate </h3></div><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex;"><h3 style="font-size:12px !important;"> Average Time : 32 Seconds </h3></div></div><h2 id="content-id-4659780132-4"><b> Science Questions Options</b></h2><ol><li><p>50 N</p>
</li><li><p>200 N</p>
</li><li><p>100 N</p>
</li><li><p>25 N</p>
</li></ol> <h2 id="content-id-9574082613-5"><b> Science Questions Solution</b></h2><p>The correct answer is<strong> Option 3</strong> i.e. <strong>100 N</strong></p>

<table border="1" cellpadding="1" cellspacing="1" style="width:400px">
	<tbody>
		<tr>
			<td>Understanding</td>
			<td>Application</td>
		</tr>
		<tr>
			<td>
			<p>From law of momentum</p>

			<p>change in momentum = force x time</p>

			<p>Force = change in momentum / time</p>

			<p>           = m(v-u)/t = (mv - mu)/t</p>
			</td>
			<td>
			<p>Given,</p>

			<p>mu = 100 kg-m/s</p>

			<p>mv = 400 kg-m/s</p>

			<p>t = 3 seconds</p>

			<p>change in momentum</p>

			<p>= (400 - 100)</p>

			<p>= 300 N</p>

			<p>applied force = 300/3</p>

			<p>= 100 N</p>
			</td>
		</tr>
	</tbody>
</table>


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The correct answer is Option 3 i.e. 100 - Science Questions are asked in Ssc Chsl exams and your question has been explained by experts like Neetu Mam.

The momentum of an object - Science Questions for Ssc Chsl

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