Engineering
Physics
Equilibrium
Basics of Simple Harmonic Motion
Buoyancy
Question
Column-I Column-II
(P) In the situation shown, the gravitational potential energy is minimum.
(Q) On small appropriate displacement, body can execute SHM.
(R) For body to execute SHM, amplitude should not be larger than limiting value.
(S) If the mass of body increases without changing its size, its time period of oscillation can change
  (T) If the size of body increases without increasing mass, its time period of oscillation can change.
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Solution
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Aℓ0g × ρw = mg
mg – A (ρ0 + x) g ρw = man 
    anwgxm
   ω=wgxm = ρwgρwl
(C)    T=2πImgx = T=2πImgx = 2nR2g