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In Fig. 6.334, a person wants to rise a block lying on the ground to a height h. In both the cases, if the time required is same, then in which case he has to exert more force? Assume pulleys and strings light.
29
Sep
In Fig. 6.334, a person wants to rise a block lying on the ground to a height h. In both the cases, if the time required is same, then in which case he has to exert more force? Assume pulleys and strings light. a person wants to rise a block lying on the ground to [...]
In the situation shown in Fig. 6.333, all the strings are light and inextensible and pullies are light. There is no friction at any surface and all blocks are of cuboidal shape. A horizontal force of magnitude
29
Sep
In the situation shown in Fig. 6.333, all the strings are light and inextensible and pullies are light. There is no friction at any surface and all blocks are of cuboidal shape. A horizontal force of magnitude all the strings are light and inextensible and pullies are light. There is no friction at any surface [...]
In Fig. 6.331, the block of mass M is at rest on the floor. The acceleration with which a boy of mass m should climb along the rope of negligible mass so as to lift the block from the floor is
29
Sep
In Fig. 6.331, the block of mass M is at rest on the floor. The acceleration with which a boy of mass m should climb along the rope of negligible mass so as to lift the block from the floor is In Fig. 6.331 the block of mass M is at rest on the floor. [...]
The system shown in Fig. 6.330 is in equilibrium. Masses m1 and m2 are 2 kg and 8 kg, respectively. Spring constants k1 and k2 are 50 N/m and 70 N/m, respectively. If the compression in second spring
29
Sep
The system shown in Fig. 6.330 is in equilibrium. Masses m1 and m2 are 2 kg and 8 kg, respectively. Spring constants k1 and k2 are 50 N/m and 70 N/m, respectively. If the compression in second spring respectively. If the compression in second spring respectively. Spring constants k1 and k2 are 50 N/m and [...]
Two identical particles A and B each of mass m, are interconnected by a spring of stiffness k. If particle B experiences a force F and the elongation of the spring is x, the acceleration of particle
29
Sep
Two identical particles A and B each of mass m, are interconnected by a spring of stiffness k. If particle B experiences a force F and the elongation of the spring is x, the acceleration of particle are interconnected by a spring of stiffness k. If particle B experiences a force F and the elongation [...]
A fixed U-shaped smooth wire has a semi-circular bending between A and B as shown in Fig. 6.328. A bead of mass m moving with uniform speed v through the wire enters the semicircular
29
Sep
A fixed U-shaped smooth wire has a semi-circular bending between A and B as shown in Fig. 6.328. A bead of mass m moving with uniform speed v through the wire enters the semicircular A fixed U-shaped smooth wire has a semi-circular bending between A and B as shown in Fig. 6.328. A bead of [...]
Two small rings O ans O’ are put on two vertical stationary rods AB and A’B’, respectively. One end of an inextensible thread is tied at point A’. The thread passes through ring O’ and its other end is tied
29
Sep
Two small rings O ans O’ are put on two vertical stationary rods AB and A’B’, respectively. One end of an inextensible thread is tied at point A’. The thread passes through ring O’ and its other end is tied respectively. One end of an inextensible thread is tied at point A'. The thread passes [...]
The velocity of point A on the rod is 2 m/s (leftwards) at the instant shown in Fig. 6.326. The velocity of the point B on the rod at this instant is
29
Sep
The velocity of point A on the rod is 2 m/s (leftwards) at the instant shown in Fig. 6.326. The velocity of the point B on the rod at this instant is The velocity of point A on the rod is 2 m/s (leftwards) at the instant shown in Fig. 6.326. The velocity of the [...]
Two uniform solid cylinders A and B each of mass 1 kg are connected by a spring of constant 200 N/m at their axles and are placed on a fixed wedge as shown in the Fig. 6.325. There is no friction
29
Sep
Two uniform solid cylinders A and B each of mass 1 kg are connected by a spring of constant 200 N/m at their axles and are placed on a fixed wedge as shown in the Fig. 6.325. There is no friction Two uniform solid cylinders A and B each of mass 1 kg are connected [...]
An ideal liquid of density rho is pushed with velocity v through the central limb of the tube shown in Fig. 6.324. What force does the liquid exert on the tube? The cross sectional area of the
29
Sep
An ideal liquid of density rho is pushed with velocity v through the central limb of the tube shown in Fig. 6.324. What force does the liquid exert on the tube? The cross sectional area of the An ideal liquid of density rho is pushed with velocity v through the central limb of the tube [...]