1. INTRODUCTION
In this experiment we learned Newton's Law. Newton's first law stated an object at rest stays at rest and an object in motion keeps moving with a constant velocity until/unless a net external force. Newton's second law stated a equation F ⃗=ma ⃗ and the third law stated for every action there is an equal and opposite reaction. We have also learned steps such as, draw free body diagram with labels, write Newton's equations and solve the equation in order to find the result. The purpose of this experiment is to study the relationship between force and acceleration using a linear track and the Atwood's machine. Hypothesis in this experiment is to see if this equation F ⃗=ma ⃗ is correct because when deriving the equation to find
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2.
Trial 1 m_1=0.100kg m_2=0.110kg a_e=0.31m/s^2 a_t=((m_2-m_1)/(m_2+m_1 ))g a_t=((0.110kg-0.100kg)/(0.110kg+0.100kg))×9.18 a_t=0.44m/s^2 percent error= |E-A|/A×100% percent error= |0.31m/s^2-0.44m/s^2 |/(0.44m/s^2 )×100% percent error= 29.8%
Trial 2 m_1=0.095kg m_2=0.115kg a_e=0.81m/s^2 a_t=((m_2-m_1)/(m_2+m_1 ))g a_t=((0.115kg-0.095kg)/(0.115kg+0.095kg))×9.18 a_t=0.87m/s^2 percent error= |E-A|/A×100% percent error= |0.81m/s^2-0.87m/s^2 |/(0.87m/s^2 )×100% percent error= 6.9%
Trial 3 m_1=0.085kg m_2=0.125kg a_e=1.64m/s^2 a_t=((m_2-m_1)/(m_2+m_1 ))g a_t=((0.125kg-0.085kg)/(0.125kg+0.085kg))×9.18 a_t=1.75m/s^2 percent error= |E-A|/A×100% percent error= |1.64m/s^2-1.75m/s^2 |/(1.75m/s^2 )×100% percent error=
In this experiment, the signal generator was set so that the frequency meter showed a reading of 1,803 Hz. The microphone was moved to a distance from the speaker so that the oscilloscope displayed a straight diagonal line. This position was of the microphone was recorded as the initial position, or beginning of a wavelength. The microphone was then moved farther in the same direction until the oscilloscope displays the same horizontal line. This position was recorded as final position, or the end of the wavelength. The distance between the two positions represents one wavelength for this frequency. This was repeated for frequencies of 2,402 Hz, 3,002, Hz, 3,602 Hz, and 4,201 Hz.
The lab five B was about friction and how its always present. The purpose of this lab wat to explore how friction affect motion. There are three types of friction we discuss like air, rolling, and siding.
1. The force of the window on the bug because the bug is just flying, but the force of the window at a given speed is much greater creating the force to splatter the bug.
n this report the students learn and understand the concepts of why they are doing this. For example the pasta car lab, they understood and learning how newton's laws works such as the Newton's first law of motion, newton's second law of motion and, newton's third law of motion. Therefore they knew that Newton's first law is talking about inertia, then again some call it the law of inertia, it is when an object in rest stays at rest and also an object in motion stays in motion. For example, if the students have a vehicle on a hill and they let go of the brake it will roll and it will build up momentum until it's is not on the hill anymore and rolls until it runs out of energy until all that energy runs out that was built going down the hill.
C. An unknown, rectangular substance measures 3.6 cm high, 4.21 cm long, and 1.17 cm wide.
The purpose of this lab was to test the relationship between velocity, position and time. As well as identify how accelerations affects an object's velocity and time. In this experiment, we will collect data on velocity, speed, and time. We used the equation Y=mx+b, in order to compare the velocity of each trial by comparing the slope and the y-intercept. If the slope was steeper on the graph, this meant that the cart had an increase in velocity. If the cart maintains at a constant speed, then the cart will have an increase in acceleration. In class we learned about the principles of acceleration, time, and velocity. Acceleration is an object’s increase in velocity. Velocity is how
This study was performed to study the effects on what would happen to the mass of a bone from a chicken wing when the amount of sugar is increased in a liquid. The hypothesis for this lab was that when more sugar was added to the liquid, the more the mass of the bone would decrease over time. It was predicted that the gatorade would make the mass decrease the most and that the water would decrease it the least. It is known that sugar can increase body weight in fat (Greenfield), but sugar can also act as an acid in some cases (Goldschmidt). Our hypothesis was formed thinking that the sugar may act as an acid in this experiment. In this experiment the independent variable was the liquids and the dependent variable was the three chicken bones.
For my first research question I had to figure out if a car's velocity increases as it travels down a ramp. To answer this question, I think that from the lab results that the car's velocity does increase as it travels down the ramp. The second research question was about if a car's acceleration increases as it travels down a ramp. I believe that for this, the car's acceleration does increase as it travels down the ramp. Finally, for the acceleration calculation I got 6.45m/s/s as an answer and for my percent change calculation between my initial and final velocities, I got
The data collected agrees with Newton’s 2nd Law. Newton’s 2nd Law describes how the acceleration of an object is dependent on two things: the mass of that object, and the net force acting upon that object. As the mass of an object increases, its acceleration decreases. Our experiment directly relates to and agrees with this law of motion. The starting mass of our object was 653.7 grams, with an average acceleration of 0.8771 m/s².
HS.G-CO.1 1. Watch https://www.youtube.com/watch?v=LgxVsncra2M and take notes on a separate sheet of paper. 2. Exercises A. In your own words, define the five terms defined in the video.
Will different gloves with different amounts of friction have an affect on the amount of times a football is caught? If more friction is used, the amount of passes caught will increase, and the amount of passes dropped will decrease when the catch rate is the function of the gloves being used. The independent variable of this experiment is the amount of friction of different gloves. The dependent variable will be the amount of times the football is caught after being thrown. The experimental control will be using no gloves to add friction, and measuring the amount of passes caught.
Friction Lab Formal Report Tayado Langley 12/10/14 Period 1 Abstract This experiment was created in order to enhance our understanding about the causes of friction. This was achieved by testing the friction on various surfaces. The first thing I did was gather the materials ( a bottle , some blocks of wood , string and surface materials.) Then I attached the string to the block of wood and the bottle.
To test Newton’s seconds law if whether changing the mass or the force affects the acceleration of an object or a trolley in this case to increase or decrease.
The law of conservation of momentum states that when two bodies collide with one another, the momentum before and after the collision is exactly the same if there are no external forces acting on the system. Although when there are external forces acting there will be a change in overall energy of the objects, as some of it may be lost to friction. Some of the energy is lost due to the deformation of objects caused by the collision. Hence during the time interval of the collision the velocities of these objects tend to change. By using the ratio of the velocities before and after the collision their elasticity can be calculated. This measure of elasticity is known as the coefficient of restitution. This coefficient is dependent on the material of the objects.
The main objective of this lab was to measure the friction force it takes to start moving a weighted block across a table, and as it continued to move. This force was tested experimentally in three separate ways. The force was then solved graphically and mathematically through six different runs per method. TALK ABOUT RESULTS HERE.