Related InterviewSolutions

• If an object moves back and forth repeatedly around a mean position it is calledA. oscillatingB. revolvingC. rotatingD. motion
• As amplitude of resonant vibrations decreases, degree of dampingA. increasesB. remains sameC. decreasesD. varies
• An oscillator is subjected to a damping force that is proportional to its velocity. A sinusoidal force is applied to it. After a long time: A. its amplitude is an increasing function of time B. its amplitude is a decreasing function of time C. its amplitude is constant D. its amplitude is a decreasing function of time only if the damping constant is large E. its amplitude increases over some portions of a cycle and decreases over other portions
• For an oscillator subjected to a damping force proportional to its velocity: A. the displacement is a sinusoidal function of time. B. the velocity is a sinusoidal function of time. C. the frequency is a decreasing function of time. D. the mechanical energy is constant. E. none of the above is true.
• In cars, springs are damped byA. shock absorbersB. engineC. tyresD. brake pedals
• If a simple harmonic oscillator has got a displacement of 0.02m and acceleration equal to 2m/s^2 at any time, the angular frequency of the oscillator is equal to ___________(a) 10 rad/s(b) 0.1 rad/s(c) 100 rad/s(d) 1 rad/s
• In simple harmonic motion, the displacement is maximum when the: A. acceleration is zero B. velocity is maximum C. velocity is zero D. kinetic energy is maximum E. momentum is maximum 
• In simple harmonic motion: A. the acceleration is greatest at the maximum displacement B. the velocity is greatest at the maximum displacement C. the period depends on the amplitude D. the acceleration is constant E. the acceleration is greatest at zero displacement 
• An object is undergoing simple harmonic motion. Throughout a complete cycle it: A. has constant speed B. has varying amplitude C. has varying period D. has varying acceleration E. has varying mass
• When a body executes simple harmonic motion, its acceleration at the ends of its path must be: A. zero B. less than g C. more than g D. suddenly changing in sign E. none of these