Define simple harmonic motion. Give its two example. 

1 Answer

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.

Related questions

Description : Define simple harmonic motion and give examples.

Last Answer : Motion which repeats after regular intervals of time is called simple harmonic motion. Ex: Oscillation of simple pendulum, vibration of a tuning fork.

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.

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 : Which of the following is an example of simple harmonic motion? (1) Earth spinning on its axis (2) Simple pendulum motion (3) Ball bouncing on floor (4) Motion of a ceiling fan

Last Answer : Simple pendulum motion

Description : Define the following with reference to simple harmonic motion. a) Amplitude b) Oscillation c) Time period

Last Answer : a) The maximum displacement of the particle on either side of the equilibrium position is called amplitude. b) One complete to and fro motion of the particle about its mean position is called oscillation

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 : Define transverse wave. Give one example.

Last Answer : Transverse waves: The wave in which direction of vibration of particles of material medium is perpendicular to the direction of propagation of wave is called transverse wave. Example: Light wave, electromagnetic waves etc.

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 : 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 : 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 : 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 : Which of the following statements dealing with simple harmonic motion of a mass-spring system is TRUE? w) The acceleration is largest when the oscillating mass is instantaneously at rest. x) The ... of the motion. z) The acceleration is larger when the oscillating mass has its greatest velocity.

Last Answer : ANSWER: W -- THE ACCELERATION IS LARGEST WHEN THE OSCILLATING MASS IS INSTANTANEOUSLY AT REST 

Description : The resultant motion of two Simple Harmonic Motions will be A. Simple Harmonic MotionB. Periodic Motion C. Projectile Motion D. Zero

Last Answer : A. Simple Harmonic Motion

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 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 : 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 : 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 : 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 : In case of simple harmonic motion, displacement is proportional to the (A) Velocity (B) Acceleration (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : B) Acceleration

Description : The equation, X = A cos(wt + f) (read: X equals A times the cosine of omega t + phi (fee)), can represent an expression for: w) accelerating due to gravity x) uniform straight line motion y) dc current z) a simple harmonic oscillator

Last Answer : ANSWER: Z -- A SIMPLE HARMONIC OSCILLATOR

Description : The period of oscillation of a particle undergoing simple harmonic motion is: w) independent of the amplitude of the motion x) directly proportional to the frequency of oscillation y) independent of the frequency of oscillation z) none of the above

Last Answer : ANSWER: W -- INDEPENDENT OF THE AMPLITUDE OF THE MOTION 

Description : In simple harmonic motion, the acceleration is: w) constant x) proportional to the distance from the central position y) greatest when the velocity is greatest z) none of the above

Last Answer : ANSWER: X -- PROPORTIONAL TO THE DISTANCE FROM THE CENTRAL POSITION

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 : Define capillarity. Give its any two examples.

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Description : Define. i) Streamline flow ii) Turbulent flow Give significance of Reynold’s number.

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Description : Define velocity gradient and state its unit

Last Answer : Velocity Gradient: It is defined as the change in velocity per unit change in vertical distance of the layer from the fixed layer. Unit = per second OR 1/ sec

Description : Define compressibility. State its SI unit.

Last Answer : Compressibility: The reciprocal of bulk modulus of elasticity is called as compressibility. OR The property on account of which the body can be compressed by the application of external force is called compressibility. S.I. Unit:- m2/N 

Description : Define surface tension. State its S.I. unit.

Last Answer : Definition:- The force acting per unit length of an imaginary line drawn to surface of liquid.  OR  The surface tension is defined as the property of liquids by virtue of which the surface of a liquid is ... due to the tendency to contract and occupy minimum surface area.  S.I. unit :- N/m

Description : Define the two specific heats of gas. 

Last Answer : Specific heat of a gas at constant volume - Specific heat of a gas at constant volume is defined as the amount of heat required to increase the temperature of unit mass of a gas by one degree at ... heat required to increase the temperature of unit mass of a gas by one degree at constant pressure. 

Description : Define the principles of superposition of waves. 

Last Answer : Principle of superposition of wave: When two waves travelling through a medium arrive at a point simultaneously, each wave produces its own displacement at that point. The resultant displacement at that point is equal to the vector sum of the individual displacement of the two waves.

Description : Define Cohesive force and Adhesive force 

Last Answer : i) Cohesive force: - It is the force of attraction between two molecules of same substance.  ii) Adhesive force: - It is the force of attraction between two molecules of different substance.

Description : Define amplitude and periodic time of a vibrating particle.

Last Answer : Amplitude (a):- The maximum displacement of particle from its mean position on either side is called amplitude.  Periodic time:- The time taken by a wave to complete one oscillation is called periodic time.

Description : Define isothermal and Adiabatic process.

Last Answer : Isothermal process:- The process in which volume of a gas changes keeping its temperature constant is called isothermal change.  Adiabatic process:- The process in which volume of a gas changes with change in temperature is called Adiabatic change. 

Description : Define specific heat of a gas at constant pressure and at constant volume.

Last Answer : Specific heat of a gas at constant volume:- Specific heat of a gas at constant volume is defined as the amount of heat required to increase the temperature of unit mass of a gas by one degree at ... heat required to increase the temperature of unit mass of a gas by one degree at constant pressure. 

Description : Define absolute zero temperature and one calorie

Last Answer : Absolute zero temperature:- The temperature at which both pressure and volume of gas become theoretically zero is called absolute zero temperature.  Calorie: The amount of heat is required to increase the temperature of 1gm of water by 10C is called calorie.

Description : State Hooke’s Law of elasticity. Define Elastic limit.

Last Answer : Hooke’s Law:- Within elastic limit, stress is directly proportional to strain.  Elastic limit: -It is the maximum value of the stress upto which the body shows elasticity.

Description : Define the term i) Ultimate stress ii) Factor of safety.

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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 : 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 : 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 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