Abstract
The reasons behind why levers change the magnitude or direction of force being applied by an object will be studied in this lab report. The principle of levers will be determined as well. To determine which levers decreased the greatest amount of effort needed to lift an object the mechanical advantage (MA) of all three classes was found. MA was calculated by load force/effort force. After computing the MA, it was found that the third class of levers provided a fractional MA.
Overview of Theory
Since their invention in the prehistoric time, levers have continually aided mankind in his desire to raise or move objects. Archimedes, the Greek philosopher and mathematician, was so enamored with levers that he commented, “give me a place on which to stand I will move the world.” What was true to Archimedes is still true for the world today. Levers are still in continual use and make the movements of objects an easier task. Levers work because they change the magnitude or direction of force being applied by an object. To alter the force, a lever – which is any rigid arm – needs to contain three parts: a fulcrum (also known as the pivot point), a load force, and an effort force. The fulcrum is where the lever is placed onto
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The spring balance is reasonably accurate for determining the load mass. However, the spring balance weighs 62 grams. Explain how to use the Work (in) =Work (out) principle to verify the mass of the spring balance. In order to determine several parts of the equation needed for the Work-in=Work-out formula you would need to determine effort force which is multiplied by the effort distance to come up with the amount of Work-out. In order to do that you have to add the measured amount from the spring scale reading by the provided spring scale mass (62g or .61N) and by verifying the calculations of Work-in (Load mass multiplied by load distance) and Work- out (Effort force multiplied by effort distance), you verify the spring scale
Measure the mass using a triple beam balance or other scale to the nearest tenth of a gram
1) Attach an elastic band to the hook on the end of a Newton metre and stretch the band until the Newton metre reads three Newton’s
I am going to carry out an experiment to measure the change in mass of
as the initial amplitude applied to the system and the process. continues to be a part of A formula that can be used to relate mass applied to a spring system. and time period for oscillations of the system is T = 2ۉ M / k This tells us T2 is proportional to the mass.
m= 10km2 x 1000m x 1000m = 107m2 107m2 x 15= 1.5 x 1.8m3 = 1.5 x 1011kg
Newton’s 2nd Law of Motion states that acceleration is directly proportional to net force when mass is constant. This experiment dealing with variable forces has as its objective the verification of this law. In this experiment this law is tested for verification in straight forward way. Through the use of a Force Sensor and an Accelerometer, data collection of observations and measurements that a force exerts on a small cart along with the cart’s accelerations are to be determined. The sensors’ measurements will be employed to give meaningful relationships between the net force on the cart, its mass, and its acceleration under these conditions. The resultant measurements revealed will verify and determine the force and acceleration relationship as stated by Newton.
In order to understand if one should pull the lever or not pull the lever depends on what type of philosopher one is. If one is like Mill, an objectivist, one would always pull the lever to save the most amount of people. This is due to Mill wanting the greatest good for the greatest number. Even if there is your significant other and two other people at risk he would save the two people always. Mill does not put reason into his decision, also looks strictly at the numbers. Nietzsche also has his own views on pulling the lever to save your significant other. According to Nichomachean ethics, everyone is not morally equivalent. If circumstances and situations matters then not everyone is equal. Nietzsche describes “picking a price,” meaning you can’t treat all interests the same. If you believe in Nichomachean ethics you would decide that your significant other is more important than some other number of strangers. But you would have to decide how many is okay to let die and let you significant other live.
According to Neumann, a force can be considered a push or pull that can produce, arrest or modify movement and can be measured as F=ma (Neumann, 2010). Force can also be considered the load. In regards to muscle contraction force relative to the joint, the force can be the internal force produced by the muscle itself, the force of gravity or the force of the particular load/weight. Torque is a cross product between force and the distance of the force from the fulcrum and is the ability of a force to cause rotation on a lever. Torque is a measure of how much a force acting on an
In analyzing the force associated with a certain spring, whether it is in you pen or under your truck, Hooke’s Law applies.
...st important scientists in history. It is said that they both shaped the sciences and mathematics that we use and study today. Euclid’s postulates and Archimedes’ calculus are both important fundamentals and tools in mathematics, while discoveries, such Archimedes’ method of using water to measure the volume of an irregularly shaped object, helped shaped all of today’s physics and scientific principles. It is for these reasons that they are remembered for their contributions to the world of mathematics and sciences today, and will continue to be remembered for years to come.
Brakes may be one of the most essential inventions in the developments of automobiles. Clearly, nothing can surpass the breakthrough of the wheel, but the brake system was a catalyst to the further developments of cars. The brake system has also evolved greatly throughout the years. Once considered one of the simplest parts of a vehicle, brakes have become one of the most complicated components in a vehicle. The scientific explanation behind a brake system is very rudimentary. Friction permits the concept of braking to occur.
The hanger with appropriate amount of slotted mass was put on the tile. The sand is a sand. Use the balance to measure the total mass m. 4. What is the difference between a.. Sufficient length of string was attached to the hanger so that the free end wraps around the axle of the flywheel.
One of the memories of my childhood I deeply cherish is that of my first visit to my father's small scale factory.Exploring the machinery which made my goal more easier and my dad sharing his experiences about the working of machines made me to grew up grossing my interest towards them. That was the time i chose to get into the field of mechanical.As a child, I was always intrigued by the working of complex mechanisms and equipment. I used to spend a lot of time trying to explore and figure out their principle. In school
Each of the six basic styles of robot used in industry today were designed with different applications in mind. Some of the robots were designed for assembly, others are more suited for simple pick and place applications, while a select few are capable of carrying heavy loads over a large area.
The history of math has become an important study, from ancient to modern times it has been fundamental to advances in science, engineering, and philosophy. Mathematics started with counting. In Babylonia mathematics developed from 2000B.C. A place value notation system had evolved over a lengthy time with a number base of 60. Number problems were studied from at least 1700B.C. Systems of linear equations were studied in the context of solving number problems.