# Circular Motion Lec_11: JEE Advance I Solution of last 10 Years Problems asked in

#OPsAcademy #NEET #JEEMains #Board_Exam #Kinematics_Of_Circular_Motion #Vertical_Circle
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A long horizontal rod has a bead which can slide along its length, and initially placed at a distance L from one end A of the rod. The rod is set in angular motion about A with constant angular acceleration α . If the coefficient of friction between the rod and the bead is µ , and gravity is neglected, then the time after which the bead starts slipping is  [JEE_2000]
2_A small block is shot into each of the four tracks as shown below.  Each of the tracks rises to the same height.  The speed with which the block enters the track is the same in all cases.  At the highest point of the track, the normal reaction is maximum in  [JEE_2001]
3_ An insect crawls up a hemispherical surface very slowly The coefficient of friction between the insect and the surface is 1/3 If the line joining the centre of the hemispherical surface to the insect makes an angle α with the vertical the max possible value of α is given by   [JEE_2001]
4_ A piece of wire is bent in the shape of a parabola y = kx2 (y-axis vertical) with a bead of mass m on it. The bead can slide on the wire without friction. It stays at the lowest point of the parabola when the wire is at rest. The wire is now accelerated parallel to the x-axis with a constant acceleration a. The distance of the new equilibrium position of the bead, where the bead can stays at rest with respect to the wire, from the y-axis is  [JEE_2009]
5_ A hemispherical bowl of radius R = 0.1m is rotating about its own axis (which is vertical), with an angular velocity ω. A particle of mass 10-2Kg on the frictionless inner surface of the bowl is also rotating with the same ω. The particle is at a height h from the bottom of the bowl.
6_ Two blocks of mass M1, 10 Kg and M2,- 5 Kg connected to each other by a massless inextensible stringof length 0.3 m are placed along a diameter of turn table. The coefficient of friction between the table and m,is 0.5 while there is no friction between m, and the table.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Circular Motion Lec_09: Motion in Vertical Circle I Critical Velocity in Vertical Circle
https://youtu.be/sRCXTb-sg_4
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Circular Motion Lec_10: Solution of last 25 Years Problems asked in NEET Examination (<a href="https://youtu.be/8NMaCy8FQC8)" target="_blank">https://youtu.be/8NMaCy8FQC8)</a>

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