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A body rests on an inclined plane and the angle of inclination is varied till the body just begins to slide down. The coefficient of friction is 
. What is the angle of inclination?
. What is the angle of inclination?- a)45o
- b)60o
- c)15o
- d)30o
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
A body rests on an inclined plane and the angle of inclination is vari...
At the time when the block just starts to move, we get that net force acting upon it is 0, thus we get, f - mg.sin a = 0
Where f is friction force and a is angle of incline.
We also know that f = 1√3 x N
= 1√3 x mg.cos a
Thus we get 1√3 x mg.cos a = mg.sin a
Thus we get tan a = 1√3
And a = 30
Where f is friction force and a is angle of incline.
We also know that f = 1√3 x N
= 1√3 x mg.cos a
Thus we get 1√3 x mg.cos a = mg.sin a
Thus we get tan a = 1√3
And a = 30
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A body rests on an inclined plane and the angle of inclination is varied till the body just begins to slide down. The coefficient of friction is. What is the angle of inclination?a)45ob)60oc)15od)30oCorrect answer is option 'D'. Can you explain this answer?
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