Description : When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to A. Zero B. One C. π/2 D. 2π
Last Answer : B. One
Description : If harmonic motion of same frequency and same phase are superimposed in two perpendicular directions ( x and y) then, the resultant motion will be, A) circle B) An ellipse C) An square D) An rectangle
Last Answer : C) An square
Description : Harmonic motion is A) Necessarily a periodic motion B) An aperiodic motion C) A motion described in a circle D) A random motion
Last Answer : A) Necessarily a periodic motion
Description : The maximum acceleration of a particle moving with simple harmonic motion is ____. A. ω B. ω.r C. ω / 2 π D. 2 π / ω
Last Answer : B. ω.r
Description : Body having simple harmonic motion is represented by A) x = A sin ωt B) x = A cos ωt C) x = - A sin ωt D) x = - A cos ωt
Last Answer : A) x = A sin ωt
Description : SHM stands for A. Single Harmonic Motion B. Simple Harmonic Motion C. Simple Harmonic Mechanism D. None of the above
Last Answer : B. Simple Harmonic Motion
Description : The maximum acceleration of a particle moving with simple harmonic motion is ____. (A) ω (B) ω.r (C) ω / 2 π (D) 2 π / ω
Last Answer : (B) ω.r
Description : If the amplitude of harmonic motion is large, its frequency A) Will always be high B) Will always be less C) Can have any value D) Will be zero
Last Answer : C) Can have any value
Description : What is meant by critical damping coefficient? * 1 point (A) Frequency of damped free vibrations is less than zero (B). The motion is a periodic in nature (C). Both a. and b. (D). None of the above
Last Answer : (C). Both a. and b.
Description : The velocity vector in a vector diagram for a harmonic motion A Lags the displacement vector by 180 0 B Lags the displacement vector by 90 0 C Leads the displacement vector by 90 0 D Leads the displacement vector by 180 0
Last Answer : C Leads the displacement vector by 90 0
Description : The motion of a system executing harmonic motion with one natural frequency is known as _______ A. principal mode of vibration B. natural mode of vibration C. both a. and b. D. none of the above
Last Answer : C. both a. and b.
Description : The motion of a system executing harmonic motion with one natural frequency is known as _______ A) principal mode of vibration B) natural mode of vibration C) both a. and b. D)none of the above
Last Answer : C) both a. and b.
Description : If frequency of excitation of a forced vibration system with negligible damping is very close to natural frequency of the system, then the system will A) Execute harmonic motion of large amplitude B) Beat with a very high peak amplitude C) Perform aperiodic motion D) None of the above
Last Answer : A) Execute harmonic motion of large amplitude
Description : The vector representing acceleration on a vector diagram for a harmonic motion A) Lags the displacement vector by 90° B) Lags the displacement vector by 180° C) Leads the displacement vector by 90° D) Leads the displacement vector by 180°
Last Answer : C) Leads the displacement vector by 90°
Description : The velocity vector in a vector diagram for a harmonic motion A) Lags the displacement vector by 180° B) Leads the displacement vector by 90° C) Lags the displacement vector by 90° D) Leads the displacement vector by 180°
Last Answer : B) Leads the displacement vector by 90°
Description : The velocity vector in a vector diagram for a harmonic motion C (A) Lags the displacement vector by 180 0 (B) Lags the displacement vector by 90 0 (C) Leads the displacement vector by 90 0 (D) Leads the displacement vector by 180 0
Last Answer : (C) Leads the displacement vector by 90 0
Description : The periodic time of a body moving in Simple Harmonic Motion is a.Directly proportional to its angular velocity b.Directly proportional to the weight of the body c.Inversely proportional to ... d.Directly proportional to the momentum of swinging body e.Inversely proportional to the angular velocity
Last Answer : e. Inversely proportional to the angular velocity
Description : The motion of a body that repeats itself after a regular interval of time is – (1) a periodic motion (2) a simple harmonic motion (3) an aperiodic motion (4) an oscillatory motion
Last Answer : (1) a periodic motion Explanation: The motion of a body that repeats itself after a regular interval of time is called 'Periodic Motion'. Simple Harmonic Motion is a type of periodic motion where the restoring force is directly proportional to the displacement.
Description : The motion of a body that repeats itself after a regular interval of time is (1) a periodic motion (2) a simple harmonic motion (3) an aperiodic motion (4) an oscillatory motion
Last Answer : a periodic motion
Description : If motion repeats itself after interval of time, it is called as _________ A. Periodic B. Aperiodic C. Repeating D. None of the above
Last Answer : A. Periodic
Description : What is meant by coupled differential equation? A. The differential equation in which only rectilinear motions exit B. The differential equation in which only angular motions exit C. The differential equation in which both rectilinear and angular motions exit D. None of the above
Last Answer : C. The differential equation in which both rectilinear and angular motions exit
Description : What is meant by coupled differential equation? A) The differential equation in which only rectilinear motions exit B) The differential equation in which only angular motions exit C) The differential equation in which both rectilinear and angular motions exit D) None of the above
Last Answer : C) The differential equation in which both rectilinear and angular motions exit
Description : What is meant by coupled differential equation? a. The differential equation in which only rectilinear motions exit b. The differential equation in which only angular motions exit c. The differential equation in which both rectilinear and angular motions exit d. None of the above
Last Answer : c. The differential equation in which both rectilinear and angular motions exit
Description : A body which is attached to a spring undergoes simple harmonic motion. The magnitude of the body's acceleration is: w) constant x) proportional to its displacement from its equilibrium position y) zero z) always increasing.
Last Answer : ANSWER: X -- PROPORTIONAL TO ITS DISPLACEMENT FROM ITS EQUILIBRIUM POSITION
Description : What is meant by critical damping coefficient? A Frequency of damped free vibrations is less than zero B The motion is aperiodic in nature C Both a. and b. D None of the above
Last Answer : B The motion is aperiodic in nature
Description : What is meant by critical damping coefficient? B ( A )Frequency of damped free vibrations is less than zero ( B )The motion is aperiodic in nature ( C )Both a. and b. (D)None of the above
Last Answer : ( B )The motion is aperiodic in nature
Description : What is meant by critical damping coefficient? a. Frequency of damped free vibrations is less than zero b. The motion is aperiodic in nature c. Both a. and b. d. None of the above
Last Answer : b. The motion is aperiodic in nature
Description : When a two-degree-of-freedom system is subjected to a harmonic force, the system vibrates at the a. frequency of applied force b. smaller natural frequency c. larger natural frequency d. None of the above
Last Answer : a. frequency of applied force
Description : For an under damped harmonic oscillator, resonance A Occurs when excitation frequency is greater than undamped natural frequency B Occurs when excitation frequency is less than undamped natural frequency C Occurs when excitation frequency is equal to undamped natural frequency D Never occurs
Last Answer : C Occurs when excitation frequency is equal to undamped natural frequency
Description : A vibrating system having mass 1kg, a spring of stiffness 1000N/m and damping factor of 0.632 and it is put to harmonic excitation of 10N. Find the amplitude at resonance. A 0.079 B 7.9C 0.056 D 0.00791
Last Answer : D 0.00791
Description : A weight of 50 N is suspended from a spring of stiffness 4000N/m and subjected to a harmonic force of magnitude 60N and frequency 60 Hz. what will be the static displacement of the spring due to maximum applied force A. 0.015m B. 0.15 m C. 15 m D. 150m
Last Answer : B. 0.15 m
Description : A single degree of freedom spring-mass system is subjected to a harmonic force of constant amplitude. For an excitation frequency of √3k/m , the ratio of the amplitude of steady state response to the static deflection of the spring is __________ A. 0.2 B. 0.5 C. 0.8 D. None of the above
Last Answer : B. 0.5
Description : For an under damped harmonic oscillator, resonance a) occurs when excitation frequency is greater than undamped natural frequency b) occurs when excitation frequency is less than undamped natural frequency c) occurs when excitation frequency is equal to undamped natural frequency d) never occurs
Last Answer : c) occurs when excitation frequency is equal to undamped natural frequency
Description : For an underdamped harmonic oscillator, resonance ______. (A) occurs when excitation frequency is greater than the undamped natural frequency (B) occurs when excitation frequency is less than the ... ) occurs when excitation frequency is equal to the undamped natural frequency (D) never occurs
Last Answer : (C) occurs when excitation frequency is equal to the undamped natural frequency
Description : When ball having a projectile motion is rising up, it A. decelerates B. accelerates C. rises up with constant acceleration D. acceleration becomes zero
Last Answer : decelerates
Description : The number of degrees of freedom in simple spring mass system is A. Zero B. One C. Two D. Three
Description : Define simple harmonic motion. Give its two example.
Last Answer : Simple harmonic motion: The to and fro motion of the object about its mean position is called simple harmonic motion. Examples: motion of swing, motion of sewing machine , motion of clock pendulum , etc.
Description : A particle in simple Harmonic Motion while passing through mean position will have a.Maximum kinetic energy and minimum potential energy b.Average kinetic energy and average potential energy c. ... energy d.Maximum kinetic energy and maximum e.Minimum kinetic energy and minimum potential energy
Last Answer : a. Maximum kinetic energy and minimum potential energy
Description : A body in Simple Harmonic Motion will attain maximum velocity when it passes through a.Point of 0.75 amplitude b.Extreme point of the oscillation of L.H.S. c.Point of half amplitude d.Extreme point of the oscillation at R.H.S. e.Mean position
Last Answer : e. Mean position
Description : The moving parts of a machine which weigh 1 tonne perform vertical simple harmonic motion with an amplitude of 2.5 cm and a period of 0.5 sec. The base of the machine weighs 3 tonnes and rests on the ground. Maximum ... would be a.3.6 tonnes b.2.4 tonnes c.4.0 tonnes d.4.8 tonnes e.4.4 tonnes
Last Answer : e. 4.4 tonnes
Description : A particle is moving in Simple Harmonic Motion in a simple pendulum with some period of oscillation. Now in order to double the period of oscillation a.The length of pendulum should be quadrupled b.The ... length of pendulum should be reduced to one fourth e.The mass of the bob should be doubled
Last Answer : a. The length of pendulum should be quadrupled
Description : A body is executing simple harmonic motion of amplitude 1 cm. Its velocitywhile passing through the central point is 10 mm/sec. Its frequency will be a.2.99 rps b.2.22 rps c.1 rps d.1.59 rps e.1.77 rps
Last Answer : c. 1 rps
Description : A body is vibrating with simple harmonic motion of aplitude 5 cm frequency 10 vibrations per second. The maximum value of velocity in cm/s will be a.3.14 cm/s b.314 cm/s c.3140 cm/s d.31.4 cm/s e.31400 cm/s
Last Answer : b. 314 cm/s
Description : An insect of negligible mass is sitting on a block of mass M, tied with a spring of force constant K. The block performs simple harmonic motion with a
Last Answer : An insect of negligible mass is sitting on a block of mass M, tied with a spring of force constant K. The block ... /2 sqrt(k/M)` D. `2A sqrt(k/M)`
Description : Which of the following is an example of simple harmonic motion? (1) Earth spinning on its axis (2) Simple pendulum motion (3) Bali bouncing on floor (4) Motion of a ceiling fan
Last Answer : (2) Simple pendulum motion Explanation: When a body moves about a mean position in such a way that the acceleration is proportional to the displacement and is always directed towards the mean ... to execute a simple harmonic motion. The motion of a simple pendulum falls under this category.
Description : Period of simple harmonic motion of a spiral spring or elastic thread is given by A. T = 2π (extension produced/gravitational field strength) B. T = 2π (extension produced/√( ... (extension produced)/gravitational field strength) D. T = 2π √(extension produced/gravitational field strength)
Last Answer : T = 2π × √(extension produced/gravitational field strength)
Description : Give the practical applications of simple harmonic motion.
Last Answer : a) Simple harmonic motion of a pendulum was used for the measurement of time. b) Tuning the musical instrument is done with the vibrating tuning form which executes simple harmonic motion. c) ... simple harmonic motion. d) The study of molecules is made with the help of vibration spectrum.
Description : Give example of simple harmonic motion.
Last Answer : a) Oscillation of simple pendulum. b) When a tuning fork is hit against a rubber pad, its prongs execute simple harmonic motion. c) When the load is attached to the lower end of a spring suspended from a support is pulled and released, it executes simple harmonic motion.