Physics-
General
Easy
Question
Three equal weights of mass 2kg each are hanging by a string passing over a fixed pulley. The tension in the string (in N) connecting B and C is
- 4g/3
- g/3
- 2g/3
- g/2
The correct answer is: 2g/3
Related Questions to study
physics-
Find the time in which 2 kg mass will strikes the pulley after being released from rest.
Find the time in which 2 kg mass will strikes the pulley after being released from rest.
physics-General
physics-
Three blocks are connected as shown in the figure, on a horizontal frictionless table and pulled to the right with a force at 60N. if 
then the value of T2 is
Three blocks are connected as shown in the figure, on a horizontal frictionless table and pulled to the right with a force at 60N. if then the value of T2 is
physics-General
physics-
System is shown in figure and wedge is moving towards left with speed 2 m/s. Then velocity of the block B will be
System is shown in figure and wedge is moving towards left with speed 2 m/s. Then velocity of the block B will be
physics-General
physics-
In the figure shown, the speed of the truck is v to the right. The speed with which the block is moving up at q = 60° is :
In the figure shown, the speed of the truck is v to the right. The speed with which the block is moving up at q = 60° is :
physics-General
physics-
In the arrangement shown, all surfaces are frictionless. The rod R is constrained to move vertically. The vertical acceleration of R is a1 and the horizontal acceleration of the wedge W is 
The ratio 
/ is equal to
In the arrangement shown, all surfaces are frictionless. The rod R is constrained to move vertically. The vertical acceleration of R is a1 and the horizontal acceleration of the wedge W is The ratio / is equal to
physics-General
physics-
A ball is projected from point A with velocity 10m/sec. perpendicular to the inclined plane as in figure. Range of the ball on the incline is
A ball is projected from point A with velocity 10m/sec. perpendicular to the inclined plane as in figure. Range of the ball on the incline is
physics-General
physics-
Three projectiles A, B and C are thrown simultaneously from the same point in the same vertical plane. Their trajectories are shown in the figure. Then which of the following statement is false.
Three projectiles A, B and C are thrown simultaneously from the same point in the same vertical plane. Their trajectories are shown in the figure. Then which of the following statement is false.
physics-General
physics-
A soap bubble has radius R and thickness d (<< R) as shown. It colapses into a spherical drop. The ratio of excess pressure in the drop to the excess pressure inside the bubble is
A soap bubble has radius R and thickness d (<< R) as shown. It colapses into a spherical drop. The ratio of excess pressure in the drop to the excess pressure inside the bubble is
physics-General
physics-
A steady flow of water passes along a horizontal tube from a wide section X to the narrower section Y, see figure. Manometers are placed at P and Q at the sections. Which of the statements A, B, C, D, E is most correct?
A steady flow of water passes along a horizontal tube from a wide section X to the narrower section Y, see figure. Manometers are placed at P and Q at the sections. Which of the statements A, B, C, D, E is most correct?
physics-General
physics-
Equal volumes of two immiscible liquids of densities 
and 
are filled in a vessel as shown in figure. Two small holes are punched at depth h/2 and 3h/2 from the surface of lighter liquid. If v1 and v2 are the velocities of a flux at these two holes, then v1/v2 is :
Equal volumes of two immiscible liquids of densities and are filled in a vessel as shown in figure. Two small holes are punched at depth h/2 and 3h/2 from the surface of lighter liquid. If v1 and v2 are the velocities of a flux at these two holes, then v1/v2 is :
physics-General
physics-
A cylindrical block of area of cross–section A and of material of density r is placed in a liquid of density one–third of density of block. The block compresses a spring and compression in the spring is one–third of the length of the block. If acceleration due to gravity is g, the spring constant of the spring is:
A cylindrical block of area of cross–section A and of material of density r is placed in a liquid of density one–third of density of block. The block compresses a spring and compression in the spring is one–third of the length of the block. If acceleration due to gravity is g, the spring constant of the spring is:
physics-General
physics-
There is a metal cube inside a block of ice which is floating on the surface of water. The ice melts completely and metal falls in the water. Water level in the container
There is a metal cube inside a block of ice which is floating on the surface of water. The ice melts completely and metal falls in the water. Water level in the container
physics-General
physics-
An open-ended U-tube of uniform cross-sectional area contains water (density 1.0 gram/
standing initially 20 centimeters from the bottom in each arm. An immiscible liquid of density 4.0 grams/ centimeter3 is added to one arm until a layer 5 centimeters high forms, as shown in the figure above. What is the ratio 
of the heights of the liquid in the two arms?
An open-ended U-tube of uniform cross-sectional area contains water (density 1.0 gram/ standing initially 20 centimeters from the bottom in each arm. An immiscible liquid of density 4.0 grams/ centimeter3 is added to one arm until a layer 5 centimeters high forms, as shown in the figure above. What is the ratio of the heights of the liquid in the two arms?
physics-General
physics-
A body having volume V and density is attached to the bottom of a container as shown. Density of the liquid is d(>r). Container has a constant upward acceleration a. Tension in the string is
A body having volume V and density is attached to the bottom of a container as shown. Density of the liquid is d(>r). Container has a constant upward acceleration a. Tension in the string is
physics-General
chemistry-
The products of the above reaction is / are :
The products of the above reaction is / are :
chemistry-General
