
Blocks and are initially in equilibrium. The springs and strings are ideal. The accelerations of the blocks and just after the spring-is cut, are respectively




Important Questions on Laws of Motion
A thin, uniform rod of mass and length is rotated with constant angular speed as shown in figure. Tension in the rod at position is

Two blocks of masses and are connected by a massless spring of spring constant as shown in figure. A constant force of acts on block. When the block has acceleration of the acceleration of block in is equal to

Two blocks and are connected through a string as shown in figure. If velocity of block is at given instant, then velocity of block (in ) at the same instant is given by (Given )

In figure shown, if the magnitude of acceleration of is given that the string is inextensible and the acceleration of is towards left, then find

If hanging block is in equilibrium, then elongation in the spring in c.m. is equal to


In figure shown, pulleys are ideal. Initially the system is in equilibrium and string connecting to rigid support below is cut. What is the initial acceleration (in ) of ? (Given

In the arrangement shown in figure, the string and pulley are light. The car starts moving on the horizontal road with constant velocity towards left. Speed of block in when is
