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# A body of mass M is acted upon by a force F and acceleration produced is 'a' . If three equal forces each equal to F and inclined to each other at $120 ^{\circ}$ act on the same body , the acceleration produced will be

$(a)\;zero \quad (b)\;\frac{a}{\sqrt 3} \quad (c)\;\sqrt 2 a \quad (d)\;3a$

<div class="clay6-step-odd"><div id="pr10" class="clay6-image">http://clay6.com/mpaimg/jee%203%2051.JPG</div><div id="pr11" class="clay6-basic">Since the resultant force is zero.</div><div id="pr12" class="clay6-basic">The resultant acceleration force is also zero</div></div>Hence a is the correct answer.
edited Feb 10, 2014 by meena.p