a man pushes a cylinder of mass m1with the help of a plank of mass m2as shown. There is no slipping at any contact. The horizontal component of the force applied by the man is F. find:
A rod of lenght 2m and mass 2 kg is lying on smooth horizental x-y plane along Y- axis with its center at origin O as shown in the figure . An impulse J of magnitude 10 Ns is applied perpendicular to AB at A.
a ring of mass m and radius r has three particles attached to the ring as shown. the center of the ring has a speed V0. the kinetic energy of the system is : (slipping is absent)
Two bubbles are shown attached to each other as shown. Find the radius (OP = OQ) of the smaller bubble. The density of bubble is ?. Atmospheric pressure is P0. (Hint : The smaller bubble is not a perfect sphere)
Two thin circular discs of mass 2 Kg and radius 10 cm each are joined by a rigid massless rod of length 20 cm. The axis of the rod is along the perpendicular to the planes of the disk through their centres. This object is kept on a truck in such a way that the axis of the object is horizontal and perpendicular to the direction of motion of the truck. Its friction with the floor of the truck is large enough so that the object can roll on the truck without slipping. Take x-axis as the direction of motion of the truck and z-axis as the vertically upwards direction. If the truck has an acceleration 9 m/s2, calculate:
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