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Three masses are attached to strings rotating in the horizontal plane. The strings pass over two nails as shown in Fig. 7.184. Will this system be in equilibrium?
30
Sep
Three masses are attached to strings rotating in the horizontal plane. The strings pass over two nails as shown in Fig. 7.184. Will this system be in equilibrium? Three masses are attached to strings rotating in the horizontal plane. The strings pass over two nails as shown in Fig. 7.184. Will this system be in [...]
A man of mass m is moving with a constant acceleration a w.r.t. plank. The plank lies on a smooth horizontal floor. If the mass of plank is also m, then calculate the acceleration of plank
30
Sep
A man of mass m is moving with a constant acceleration a w.r.t. plank. The plank lies on a smooth horizontal floor. If the mass of plank is also m, then calculate the acceleration of plank A man of mass m is moving with a constant acceleration a w.r.t. plank. The plank lies on a [...]
A plank of mass M is placed on a rough horizontal surface and a constant horizontal force F is applied on it. A man of mass m runs on the plank. Find the accelerations of the man so that
30
Sep
A plank of mass M is placed on a rough horizontal surface and a constant horizontal force F is applied on it. A man of mass m runs on the plank. Find the accelerations of the man so that A plank of mass M is placed on a rough horizontal surface and a constant horizontal [...]
Find minimum normal force to be applied by each hand to hold three identical books in vertical position. Each book has mass m and the value of coefficient of friction between the books
30
Sep
Find minimum normal force to be applied by each hand to hold three identical books in vertical position. Each book has mass m and the value of coefficient of friction between the books Find minimum normal force to be applied by each hand to hold three identical books in vertical position. Each book has mass [...]
A side view of a simplified form of vertical latch B is as shown in Fig. 7.147. The tower member A can be pushed forward in its horizontal channel. The sides of the channels are smooth
30
Sep
A side view of a simplified form of vertical latch B is as shown in Fig. 7.147. The tower member A can be pushed forward in its horizontal channel. The sides of the channels are smooth A side view of a simplified form of vertical latch B is as shown in Fig. 7.147. The tower [...]
A block of mass m1 = 1 kg is horizontally thrown with a velocity of v = 10 m/s on a stationary long plank of mass m2 = 2 kg whose surface has mu = 0.5. Plank rests on frictionless surface.
30
Sep
A block of mass m1 = 1 kg is horizontally thrown with a velocity of v = 10 m/s on a stationary long plank of mass m2 = 2 kg whose surface has mu = 0.5. Plank rests on frictionless surface. A block of mass m1 = 1 kg is horizontally thrown with a velocity [...]
A man of mass 80 kg stands on a horizontal weighing machine of negligible mass, attached to a massless platform P that slides down at 37 incline. The weighing machine reads 72 kg.
30
Sep
A man of mass 80 kg stands on a horizontal weighing machine of negligible mass, attached to a massless platform P that slides down at 37 incline. The weighing machine reads 72 kg. A man of mass 80 kg stands on a horizontal weighing machine of negligible mass attached to a massless platform P that [...]
In Fig. 7.144, block 1 is placed on top of block 2. Both of them have a mass of 1 kg. The coefficient of friction between blocks 1 and 2 are mu s = 0.75 and mu k = 0.60. The table is frictionless.
30
Sep
In Fig. 7.144, block 1 is placed on top of block 2. Both of them have a mass of 1 kg. The coefficient of friction between blocks 1 and 2 are mu s = 0.75 and mu k = 0.60. The table is frictionless. block 1 is placed on top of block 2. Both of [...]
Two blocks A and B are arranged as shown in Fig. 7.143 (mA = 5 kg and mB = 10 kg ). Find the acceleration of blocks if F = 40 N.
30
Sep
Two blocks A and B are arranged as shown in Fig. 7.143 (mA = 5 kg and mB = 10 kg ). Find the acceleration of blocks if F = 40 N. Two blocks A and B are arranged as shown in Fig. 7.143 (mA = 5 kg and mB = 10 kg ). Find [...]
A small block of mass m is placed on a plank of mass M. The block is connected to plank with the help of a light string passing over a light smooth pulley, shown in Fig. 7.142. The co-efficient
30
Sep
A small block of mass m is placed on a plank of mass M. The block is connected to plank with the help of a light string passing over a light smooth pulley, shown in Fig. 7.142. The co-efficient A small block of mass m is placed on a plank of mass M. The block [...]