JEE Mains · Physics · STD 11 - 13. oscillations
In an engine the piston undergoes vertical simple harmonic motion with amplitude \(7\, cm\) . A washer rests on top of the piston and moves with it. The motor speed is slowly increased. The frequency of the piston at which the washer no longer stays in contact with the piston, is close to ...... \(Hz\)
- A \(0.7\)
- B \(1.9\)
- C \(1.2\)
- D \(0.1\)
Answer & Solution
Correct Answer
(B) \(1.9\)
Step-by-step Solution
Detailed explanation
Washer contact with piston \(\Rightarrow \mathrm{N}=0\) Given Amplitude \(\mathrm{A}=7 \mathrm{cm}=0.07 \mathrm{m}\) \(a_{\max }=g=\omega^{2} A\) The frequency of piston…
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