List of top Physics Questions on Equilibrium Constant

When a spring of spring constant $k$ is cut into two pieces whose lengths are $l_1$ and $l_2$, then the ratio of their spring constants $k_1$ and $k_2$ is
When rigid body has neither linear acceleration nor angular acceleration then it is said to be in
If a ladder weighing $250\, N$ is placed against a smooth vertical wall having coefficient of friction between it and floor is $ 0.3 $, then what is the maximum force of friction available at the point of contact between the ladder and the floor?