HARD
JEE Main/Advance
IMPORTANT
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In the figure shown, pulleys, string and springs are ideal. The natural frequency of oscillation is given as 1πknm. The value of n is

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Important Questions on Oscillations

EASY
JEE Main/Advance
IMPORTANT
A block of mass 5 kg executes SHM under the restoring force of a spring on a smooth horizontal surface. The amplitude and time period of the motion are 1 m and π s respectively. Maximum force exerted by spring on the block is x N. Find the value of x.
HARD
JEE Main/Advance
IMPORTANT

Consider the shown arrangement. Rod is massless which can rotate freely about hinge O. All the springs are ideal and massless. If frequency of small oscillations of block m (Neglect gravity) is f=12πNk9m, then find value of N.

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