<p>A uniform sphere of radius <em>R</em> and mass <em>M</em> is held at rest on

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<p>A uniform sphere of radius <em>R</em> and mass <em>M</em> is held at rest on an inclined plane of angle <em>&#952;</em> by a horizontal string, as shown in the figure below. Let <em>R</em> = <span>22</span> cm, <em>M</em> = <span>3.6</span> kg, and <em>&#952;</em> = <span>24&#176;</span>.</p>
<div class="indent">(a) Find the tension in the string.<br /> <span class="qTextField"> <span class="box_num" title="Points: /1">1</span><input id="RN_713333_0_0_715125" dir="ltr" name="RN_713333_0_0_715125" size="10" type="text" value="12" /></span> <span id="RN_713333_0_0_715125_mark" class="waMark single mIncorrect"> <span class="badgeWrap"> <span class="badge container"> </span></span></span><br /> <br /> (b) What is the normal force exerted on the sphere by the inclined plane?<br /> <span class="qTextField"> <span class="box_num" title="Points: 1/1">2</span><input id="RN_713333_0_1_715125" dir="ltr" name="RN_713333_0_1_715125" size="10" type="text" value="35.4" /></span> <span id="RN_713333_0_1_715125_mark" class="waMark single mCorrect"> <span class="badgeWrap"> <span class="badge container"> </span></span></span><br /> <br /> (c) What is the frictional force acting on the sphere?<br /> <span class="qTextField"> <span class="box_num" title="Points: -/1">3</span><input id="RN_713333_0_2_715125" dir="ltr" name="RN_713333_0_2_715125" size="10" type="text" /></span> <input class="wa_question_box " type="hidden" value="RN_713333_0_2_715125" /><input id="RN_713333_0_2_715125_settings" type="hidden" value="{}" /> N</div>
<div class="figure"><img src="http://www.webassign.net/tipler/12-61.gif" alt="" /></div>

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