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Question

Block of mass m is placed on smooth fixed wedge as shown. When block is released, normal contact force exerted by ground on wedge is

m द्रव्यमान के गुटके को दर्शाए अनुसार चिकने स्थिर नत तल पर रखा जाता है। जब गुटके को छोड़ा जाता है, तब नत तल पर धरातल द्वारा आरोपित किया गया अभिलम्ब सम्पर्क बल है


A
(M + m cosθ)g
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B
(M + m sin2θ)g
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C
(M cos2θ + m)g
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D
(M + mcos2θ)g
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Solution

The correct option is D (M + mcos2θ)g

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