Physics-
General
Easy
Question
As shown in figure, two equal masses each of 2 kg are suspended from a spring balance. The reading of the spring balance will be :
- Zero
- 2 kg
- 4 kg
- Between zero and 2 kg
The correct answer is: 2 kg
Related Questions to study
Physics-
A person is sitting in a travelling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is :
A person is sitting in a travelling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is :
Physics-General
Physics-
The pulleys and strings shown in the figure are smooth and of negligible mass. For the system to remain in equilibrium, the angle 
should be :
The pulleys and strings shown in the figure are smooth and of negligible mass. For the system to remain in equilibrium, the angle should be :
Physics-General
Physics-
The spring balance A reads 2 kg with a block m suspended from it. A balance B reads 5 kg when a beaker filled with liquid is put on the pan of the balance. The two balances are now so arranged that the hanging mass is inside the liquid as shown in figure. In this situation :
The spring balance A reads 2 kg with a block m suspended from it. A balance B reads 5 kg when a beaker filled with liquid is put on the pan of the balance. The two balances are now so arranged that the hanging mass is inside the liquid as shown in figure. In this situation :
Physics-General
Physics-
A block of mass 4 kg is suspended through two light spring balances A and B. Then A and B will read respectively :
A block of mass 4 kg is suspended through two light spring balances A and B. Then A and B will read respectively :
Physics-General
Physics-
Three blocks A, B and C weighing 1, 8 and 27 kg respectively are connected as shown in the figure with an inextensible string and are moving on a smooth surface. T3 is equal to 36 N. Then T2 is :
Three blocks A, B and C weighing 1, 8 and 27 kg respectively are connected as shown in the figure with an inextensible string and are moving on a smooth surface. T3 is equal to 36 N. Then T2 is :
Physics-General
Physics-
Three equal weight A, B and C of mass 2kg each are hanging on a string passing over a fixed frictionless pulley as shown in the figure. The tension in the string connecting weights B and C is :
Three equal weight A, B and C of mass 2kg each are hanging on a string passing over a fixed frictionless pulley as shown in the figure. The tension in the string connecting weights B and C is :
Physics-General
Physics-
Two blocks are connected by a string as shown in the diagram. The upper block is hung by another string. A force F applied on the upper string produces an acceleration of 2m/s2 in the upward direction in both the blocks. If T and T' be the tensions in the two parts of the string, then :
Two blocks are connected by a string as shown in the diagram. The upper block is hung by another string. A force F applied on the upper string produces an acceleration of 2m/s2 in the upward direction in both the blocks. If T and T' be the tensions in the two parts of the string, then :
Physics-General
Physics-
A rocket of mass 1000 kg exhausts gases at a rate of 4 kg/sec with a velocity 3000 m/s. The thrust developed on the rocket is :
A rocket of mass 1000 kg exhausts gases at a rate of 4 kg/sec with a velocity 3000 m/s. The thrust developed on the rocket is :
Physics-General
Physics-
A body of mass 5kg is suspended by a spring balance on an inclined plane as shown in figure. The spring balance measure :
A body of mass 5kg is suspended by a spring balance on an inclined plane as shown in figure. The spring balance measure :
Physics-General
Physics-
A plumb line is suspended from a ceiling of a car moving with horizontal acceleration of a. What will be the angle of inclination with vertical :
A plumb line is suspended from a ceiling of a car moving with horizontal acceleration of a. What will be the angle of inclination with vertical :
Physics-General
Physics-
A mass of 1 kg is suspended by a string A. Another string C is connected to its lower end (see figure). If a sudden jerk is given to C, then :
A mass of 1 kg is suspended by a string A. Another string C is connected to its lower end (see figure). If a sudden jerk is given to C, then :
Physics-General
Physics-
A bird weighs 2 kg and is inside a closed cage of 1 kg. If it starts flying, then what is the weight of the bird and cage assembly :
A bird weighs 2 kg and is inside a closed cage of 1 kg. If it starts flying, then what is the weight of the bird and cage assembly :
Physics-General
Physics-
Assertion : The coil is bound over the metallic frame in moving coil galvanometer.
Reason : The metallic frame help in making steady deflection without any oscillation.
Assertion : The coil is bound over the metallic frame in moving coil galvanometer.
Reason : The metallic frame help in making steady deflection without any oscillation.
Physics-General
Physics-
Assertion : Free electron always keep on moving in a conductor even then no magnetic force act on them in magnetic field unless a current is passed through it.
Reason : The average velocity of free electron is zero.
Assertion : Free electron always keep on moving in a conductor even then no magnetic force act on them in magnetic field unless a current is passed through it.
Reason : The average velocity of free electron is zero.
Physics-General
Physics-
If m is magnetic moment and B is the magnetic field, then the torque is given by.
If m is magnetic moment and B is the magnetic field, then the torque is given by.
Physics-General
