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If your answer is Option 2, 4 Then you have to fill the OMR sheet 24
And If your answer is Option 1, 3, 4 Then you have to fill the OMR sheet 134
A solid cylinder of mass m and radius r is rolling without slipping on a rough inclined plane of inclination $θ$ starting from rest. The coefficient of friction between the cylinder and incline is $μ .$ Then
1) Frictional force is always $μ m g \cos θ$
2) Friction may be dissipative
3) By decreasing $θ,$ frictional force decreases
4) Friction opposes translation and supports rotation.

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answer is 34.

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Detailed Solution

Friction opposes translational and supports rotational motion.

Also, friction is static in nature. $f_{s} = \frac{m g \sin θ}{1 + \frac{R^{2}}{K^{2}}}$

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