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131. InS.H.M.thevelocityofaparticleismaximumat________________?
A.meanposition
B.extremeposition
C.middlebetweenthemeanandextremepositionontherightside
D.middlebetweenthemeanandextremepositionontheleftside
132. Theaccelerationofaprojectiononthediameterforaparticlemovingalongacircleis_______________?
A.w2x
B.wx2
C.w2x
D.wx2
133. ThetotalenergyofabodyexecutingS.H.Misdirectlyproportionalto________________?
A.Thesquarerootofamplitude
B.Theamplitude
C.Reciprocalofamplitude
D.Squareofanamplitude
134. Thetimeperiodofasecondpendulumis______________?
A.4seconds
B.3seconds
C.2seconds
D.6seconds
135. Thelengthofthesecondpendulumis________________?
A.1cm
B.99cm
C.99.2cm
D.98cm
136. Ifthelengthofthesecondpendulumbecomesfourtimes,thenitstimeperiodwillbecome________________?
A.4times
B.6times
C.8times
D.2times
137. Theforceresponsibleforthevibratorymotionofthesimplependulumis_________________?
A.mgcosθ
B.mgsinθ
C.mgtonθ
D.mg
138. Thefrequencyofthesecondpendulumis________________?
A.1hertz
B..5hertz
C.1.5hertz
D.2.5hertz
139. Simpleharmonicmotionisatypeof________________?
A.Rotationalmotion
B.Circularmotion
C.Musicalarrangement
D.Vibratorymotion
140. TheSIunitofforceconstantisidenticalwiththatof__________________?
A.Force
B.Pressure
C.Surfacetension
D.Loudness