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Free download in PDF Machine Kinematics - Simple Harmonic Motion Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
The periodic time (tp) is given by
[A]
ω / 2 π
[B]
2 π / ω
[C]
2 π × ω
[D]
π/ω
(2)
The velocity of a particle moving with simple harmonic motion is . . . . at the mean position.
[A]
zero
[B]
minimum
[C]
maximum
[D]
none of the mentioned
(3)
The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by
[A]
ω √r2 − x2
[B]
ω √x2 − r2
[C]
ω2 √r2 − x2
[D]
ω2√x2 − r2
(4)
The maximum acceleration of a particle moving with simple harmonic motion is
[A]
ω
[B]
ω.r
[C]
ω2.r
[D]
ω2/r
(5)
The frequency of oscillation for the simple pendulum is
[A]
1/2π √L/g
[B]
1/2π √g/L
[C]
2π √L/g
[D]
2π√g/L
(6)
When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as
[A]
simple pendulum
[B]
torsional pendulum
[C]
compound pendulum
[D]
second’s pendulum
Answer: compound pendulum
(7)
The frequency of oscillation of a compound pendulum is
[A]
1/2π √g.h/k2G +h2
[B]
1/2π √k2G +h2/g.h
[C]
2π√g.h/k2G +h2
[D]
2π√k2G +h2/g.h
Answer: 1/2π √g.h/k2G +h2
(8)
The equivalent length of a simple pendulum which gives the same frequency as the compound pendulum is
[A]
h/ k2G +h2
[B]
k2G +h2/h
[C]
h2/k2G +h2
[D]
k2G +h2/h2
(9)
The centre of percussion is below the centre of gravity of the body and is at a distance equal to
[A]
h / kG
[B]
h.kG
[C]
h2/kG
[D]
k2G/h
(10)
The frequency of oscillation of a torsional pendulum is
[A]
2πkG/r √g/I
[B]
r/2πkG√g/I
[C]
2πkG/r√I/g
[D]
r/2πkG√I/g
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