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Question

A block of mass 8 kg is placed on a rough inclined plane and subjected to a force of 30 N directed up the plane as shown in the figure. If the inclination of the plane is 60° and the coefficient of static friction between the block and the plane is 0.4, then total contact force exerted by the block on the plane can be directed along

8 kg द्रव्यमान के एक गुटके को खुरदरे आनत तल पर रखा जाता है तथा इस पर चित्र में दर्शाए अनुसार तल के ऊपर की ओर निर्देशित 30 N का बल आरोपित किया जाता है। यदि तल का आनति कोण 60° है तथा गुटके व तल के मध्य स्थैतिक घर्षण गुणांक 0.4 है, तब गुटके द्वारा तल पर आरोपित कुल सम्पर्क बल किसके अनुदिश निर्देशित हो सकता है?


A
OA
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B
OB
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C
OC
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D
OE
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Solution

The correct option is B OB
Solution

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