Kinetic Energy Lab

II. Introduction: For this lab, students are getting knowledge and understanding of how many types of energy work while throwing an object from high position to the lower position. It also depends on a certain level, energy will changes while throwing an object up and down. Students will also learn about the principle of the physics, which are the law of conservation of energy. Energy cannot destroy or create; students can change one type to another type of mass to force. One of the most important energy students will learn about potential energy, kinetic energy, and elastic potential energy. Kinetic energy is energy that can be transforming into different types of energy. During this lab, students have to know which are the formulas and laws

Method of Investigation

I. First, hang the spring to the support stand.

II. From the bottom of the spring to the top of the spring, without stretched find out the distance this will be the reference point. However, use this reference point to measure all the following measurements. The record the zero position here 148.5 cm.

III. On a hanging spring apply 100 gram of mass on it. And find out the new position of the reference point and what result student get, they have to recode that in Table I in a column of “Reading on the ruler.” Elongation is the difference value from zero position of the upstretched parts on a spring also make sure to determine this in step 2.

IV. Convert the masses to the forces from the result, and apply the force and distance values in Table 1 from the data which students collected.

V. Students have to repeat same step aging but using different types of the mass, 200g, 300g, 400g, and 500g masses.

VI. After finding the plot of the force and the elongation value from the table 1 which apply on a graph with an elongation independent variable. Represents the word done when it was stretching the spring and it is under area

This process allows us to find out all other measurement requirements to find. Those are mass (kg), Force(N), Ruler Reading (m) and the elongation (m) units. The ruler was very validity of getting a perfect number, which can get perfect date. The ruler was very helpful when we have to find the distance between reference point to the end of the spring stretched out it give an accurate number. As we expected that we were doing graph correctly with correct values, but we end up with some different type of the graph because we used wrong value to create a graph on excel. We thought we have to elongation and mass to create a graph, but we had to used force and elongation to create a graph. However, at the end, we got the correct graph and values. There is only one percentage error have been calculating, which is potential energy graphical and theoretical. A graphical error was calculated by machine and the theoretical error was calculating by paper and pen. The magnitude error was reduced by less decimal or rounding value. For potential energy graphical was 4.585 J and potential energy theoretical was 4.998 J and the outcome of the error was 9.008%. The error could be reduced by taking more time and effort to get an accurate number so the error can reduce