Two bodies of masses 1 kg and 4 kg are c...

Two bodies of masses 1 kg and 4 kg are connected to a vertical spring, as shown in the figure. The smaller mass executes simple harmonic motion of angular frequency `"25 rad s"^(-1)`, and amplitude 1.6 cm while the bigger mass remains stationary on the ground. The maximum force exerted by the system on the floor is `("take "g=10ms^(-2))`.

20 N

60 N

40 N

10 N

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