Mach 18381916 objectives to observe and analyze an example of simple harmonic motion. Introduction hypothesis the pendulum and the spring mass system will behave in a simple harmonic motion and are dependent on 2 variables that are different to each system. We will study this motion, called simple harmonic motion shm, later in some detail. This experiment provides students with the possibility of understanding the differences between theoretical models that include wellknown. Simple harmonic motion goals verify hookes law for spring force determine the period of a simple harmonic motion introduction and background a periodic motion is one that repeats itself in successive equal intervals of time. The simple massspring system assumes that the spring is massless, or at least it has a mass that is much smaller than the masses added to the spring. An undergraduate study of harmonic and parametric motion of a. Physics 3 experiment 7 simple harmonic motion introduction in this lab, we study the phenomenon of simple harmonic motion for a massandspring system and for a variety of pendulums. Large table clamp, right angle clamp, multiposition pendulum clamp and rods to hold spring and motion sensor see figure 1 50 gram mass holder. Sijie lin steven yi 12806 abstract the purpose of this laboratory experiment is to better understand harmonic motion. Oscillations are happening all around us, from the beating of the human heart, to the vibrating atoms that make up everything.
Describe quantitatively and qualitatively the motion of a real harmonic oscillator 2. Physics 326 lab 6 101804 1 damped simple harmonic motion purpose to understand the relationships between force, acceleration, velocity, position, and period of a mass undergoing simple harmonic motion and to determine the effect of. So, the simple harmonic motion is considered seriously in physics. Simple harmonic motion introduction simple harmonic motion is a special type of periodic motion, such that an object will always follow the same path and at some point return to its initial position. A mass hanging from a spring is a common, easytoperform experiment often used to introduce firstyear physics students to simply harmonic. Lab 7 simple harmonic motion introduction have you ever wondered why a grandfather clock keeps accurate time.
The purpose of this lab is to study some of the basic properties of simple harmonic motion shm by examining the behavior of a mass oscillating on a spring. View lab report simple harmonic motion lab report from physics 2a at pasadena city college. Experimental study of simple harmonic motion of a springmass. Completing these prelab assignments will expedite your progress during the lab period. Oct 29, 2015 there is a close connection between circular motion and simple harmonic motion, according to boston university. Experiment 8 simple harmonic motion rice university. Equation 3 does not help directly with the experiment, because the acceleration is not easy to measure, and depending on how fast the mass oscillates, the position may not be easy to measure either. Physics simple harmonic motion university of birmingham. This is a lab report for a physics experiment on simple harmonic motion. Consider a point on the rim of a disk as it rotates counterclockwise at a constant. It was galileo who first observed that the time a pendulum takes to swing back and forth through small. Simple harmonic motion 5 shm hookes law shm describes any periodic motion that results from a restoring force f that is proportional to the displacement x of an object from its equilibrium position.
Simple harmonic motion is a motion that would continue the same oscillations forever were there no dissipative forces. In what follows, we will take the origin of x at this new equilibrium position. In a linear massspring system, the physical basis for this kind of motion is that the restoring force f exerted on a mass m that has been. A physicist would ask how does the period of this motion depend on the mass. Theory simple harmonic motion can be defined as one for which the position of an object changes sinusoidally with time. For our final lab of associated with physics i, we will dissect the motions of a mass on a spri. First, use spring, suspending weight, as vertical oscillator in this experiment. Experiment lab report experiment simple harmonic.
Put another way, it always wants go back to where it started. Simple harmonic motion david liu april 1, 2015 individual report physics 2a group 3 group. Describe and predict the motion of a damped oscillator under different damping. Experiment 8 simple harmonic motion physics is experience, arranged in economical order. Simple harmonic motion lab report lab 8 simple harmonic. For the mass spring system, the period of the motion. You will measure the period of simple harmonic motion for six different masses and graph the results. The ti procedure examines hookes law, using rubberband and spring elongations. The best methods involve finding the time for multiple oscillations and then dividing by the number of oscillations to get the period. The glider should now oscillate about its equilibrium position without coming to a stop too quickly. Find a mathematical function that fits the motion of an oscillator.
These are characteristics of simple harmonic motion. Simple harmonic motion austin community college district. The world of the physics laboratory is not ideal real springs have their own mass which oscillates with the load. Damped harmonic oscillator displacement as a function of time. Write the equation relating mass m, the spring constant k, and the period t for an ideal massless hookes law spring loaded with a mass undergoing simple harmonic motion. The time required for one complete repetition of the motion is called the period. Objectives study the simple harmonic motion shm of a mass on a spring. Simple harmonic motion is investigated through the period of oscillation of a mass on a spring. The position of the oscillating object varies sinusoidally with time. Galileo galilei isaac newton michael faraday sample albert einstein. At this position, the vertical restoring force of the spring balances the weight. With the use of a spring and various weights, we will be studying the behavior of the springs under static and dynamic situations. For now, though, just notice that the period of the vibration the time to repeat the motion once depends on the mass of the attached object.
Experimental study of simple harmonic motion of a spring. Nov 08, 2010 the movement of a pendulum is called simple harmonic motion. Simple harmonic motion, oscillations, wavelength, frequency, period, hookes law. In order to be able to do this, you will need to determine the period of oscillation. Experimental study of simple harmonic motion of a springmass system as a function of spring diameter 43053 measure t, a mass m 0. The motion of the pendulum is a particular kind of repetitive or periodic motion called simple harmonic motion, or shm. Comparing simple harmonic motion shm to circular motion demonstration.
Aug 22, 20 experiment simple harmonic motion phy lab. This experiment provides students with the possibility of understanding the differences between theoretical models that include wellknown corrections to determine the frequency of oscillations of a springmass system. Simple harmonic motion factors that influence the change in. You will use a motion detector to generate graphs of position, velocity, and acceleration for simple harmonic motion. If it does come to rest in a short time, you should tell your lab instructorta so that they can adjust your setup or replace your glider to reduce the source of friction. Next, you will determine the spring constant using the concepts of simple harmonic motion. Have these ready to be checked by lab staff at the. Harmonic oscillation learning goals after you finish this lab, you will be able to. Comparing simple harmonic motionshm to circular motion demonstration. Lab 1 this is a lab report for a physics experiment on simple harmonic motion. Lab 1 this is a lab report for a physics experiment on. Pendulums move by constantly changing energy from one form to another.
The purposes of this experiment are to measure the force constant of a spring, to verify. Simple harmonic motion 7302008 page 2 stretch to a new lower equilibrium position, xo mgk, where g is the gravitational constant. Prelab a list of activities is to be completed before this lab. Development of computerbased experiment set on simple. Such oscillatory motion is called simple harmonic motion. Mar 10, 2012 the main objective of this experiment is to observe simple harmonic motion and its many properties. An oscillation is a move between two extremes of a motion at a regular speed, such as a swing or a tuning fork.
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