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A uniform wooden stick of mass 1.6 kg and length A rests in an inclined manner on a smooth, vertical wall of height h (< A ) such that a small portion of the stick extends beyond the wall. The reaction force of the wall on the stick is perpendicular to the stick. The stick makes an angle 30° with the wall and the bottom of the stick is on a rough floor. The reaction of the wall on the stick is equal in magnitude to the reaction of the floor on the stick. The ratio A h and the frictional force f at the bottom of the stick are (g = 10 m s –2 )

1. A h = 16 3 , f = 3 3 16 N
2. A h = 16 3 , f = 3 3 16 N
3. A h = 16 3 3 , f = 3 3 8 N
4. A h = 16 3 3 , f = 3 3 16 N CAREER POINT CAREER POINT , CP Tower, IPIA, Road No.1, Kota (Raj.), : 0744-6630500 | www.ecareerpoint.com Email: info@cpil.in Page # 4 Paper-1 [ CODE – 0 ]

Correct answer: A h = 16 3 3 , f = 3 3 16 N CAREER POINT CAREER POINT , CP Tower, IPIA, Road No.1, Kota (Raj.), : 0744-6630500 | www.ecareerpoint.com Email: info@cpil.in Page # 4 Paper-1 [ CODE – 0 ]

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