Shown in the figure is a system of three particles of mass `1 kg, 2 kg` and `4 kg` connected by two springs. The acceleration of `A. B` and `C` at any instant are `1 ms^(-2), 2 ms^(-2)` and `1//2 ms^(-2)` respectively directed as shown in the figure external force acting on the system is

Shown in the figure is a system of three particles having masses m_(1)=1kg, m_(2)=2kg and m_(1)=4kg respectively connected by two springs. The accelartion of A, B and C at any instant are 1m//sec^(2),2m//sec^(2) and 1//2m/sec^(2) respectively directed as shown in the figure. the external force in N acting on the system is. . . ..

In the system shown in the figure, the acceleration of 1 kg mass is

In the system shown in the figure, the acceleration of 1 kg mass is

In the system shown in the figure, the acceleration of 1 kg block is

Three small balls of masses 1kg, 2kg and 3kg are moving in a plane and their velocities are 1 ms^(-1) ,2ms^(-2) and 3ms^(-1) respectively as shown . The total angular momentum of the system of three balls about point P at the given instant of time is

Three small balls of masses 1kg, 2kg and 3kg are moving in a plane and their velocities are 1 ms^(-1) ,2ms^(-2) and 3ms^(-1) respectively as shown . The total angular momentum of the system of three balls about point P at the given instant of time is

Four particles of masses 1 kg, 2 kg, 3 kg, and 4 kg are situated at the corners of a square and moving at speed 3 ms^(-1), 4 ms^(-1), 1 ms^(-1) and 2 ms^(-1) respectively. Each particle maintains a direction towards the particle at the next comer symmetrically. The momentum of the system at this instant is