A block of mass 10 kg is placed at the free end of cantilever beam of – McqOptions

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1.	A block of mass 10 kg is placed at the free end of cantilever beam of length 1 m and second moment of area 300 mm4 Taking Young’s modulus of the beam, material as 200 GPa, the natural frequency of the system is
A.	30√2 rad/s
B.	2√3 rad/s
C.	3√ 2 rad /s
D.	20√3 rad /s
Answer» D. 20√3 rad /s

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