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The moving parts of a machine which weigh 1 tonne perform vertical simple harmonic motion with an amplitude of 2.5 cm and a period of 0.5 sec. The base of the machine weighs 3 tonnes and rests on the ground. Maximum reactions on the ground would be

[A].	2.4 tonnes	[B].	3.6 tonnes
[C].	4.0 tonnes	[D].	4.4 tonnes
[E].	4.8 tonnes

Answer: Option D

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