"The Force Table" is a simple tool for demonstrating Newton’s First Law and the vector nature of forces. This tool is based on the principle of “equilibrium”. An object is said to be in equilibrium when there is no net force acting on it. An object with no net force acting on it has no acceleration. By using simple weights‚ pulleys and strings placed around a circular table‚ several forces can be applied to an object located in the center of the table in such a way that the forces exactly cancel
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Buoyancy‚ Force‚ and Gravity Purpose: To check the buoyancy of the object measured in Newton. Hypothesis: I think the force pulling down on the clay might be heavier then the container with water and clay. Apparatus: 1 small beaker (mL) 1Graduated cylinder 1 container 1 small portion of clay can Spring scale (newtons) Tap water 1 Cloth Method: First‚ hang the clay on the hook of the Newton spring scale. Secondly‚ record the measurements. Thirdly‚ get a container‚ fill it with
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1.7 Factors that affect the activity of an enzyme It is important when working with enzymes to understand basic enzymatic theory behind them when selecting conditions to measure the activity of the enzymes. The factors that are known to affect the concentration of enzymes are temperature‚ pH‚ concentration of enzyme‚ concentration of substrate‚ buffer type and concentration‚ the presence of any inhibitors and cofactors (Worthington-biochem.com). 1.7.1. Temperature With most catalysed reactions‚
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Learning Objectives • • • • • • • Explore Packet Tracer Real-time mode Explore the Logical Workspace Explore Packet Tracer operation Connect devices Examine a device configuration Review the standard lab setup Overview of the devices Background Throughout the course you will be using a standard lab setup created from actual PCs‚ servers‚ routers‚ and switches to learn networking concepts. This method provides widest range of features and the most realistic experience. Since equipment and time are
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Centrifugal Force Apparatus HFC21 Objective: The object of the experiment is to verify that the centrifugal force varies in direct proportion to 1. The mass of the rotating body M (Experiment parts 1 and 2) 2. The square of the speed of rotation ω (Experiment part 3) 3. The radius of gyration k (Experiment part 4) In accordance with the formula; F = Mω2k Apparatus: Centrifugal Force Apparatus HFC21‚ Cast iron calibrated weights arranged as in Figs.1 and 2. Figure 1 Centrifugal Force Apparatus HFC21
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The Activity of a Protease (Trypsin) Introduction Enzymes catalyze reactions by creating alternate reaction mechanisms whose transition states are more thermodynamically stable than uncatalyzed reactions (Berg et al.‚ 2002; UBC Department of Microbiology and Immunology‚ 2006). Increased thermodynamic stability in these transition states reduces the energy of activation‚ the minimum amount of energy input a chemical system requires for a reaction to occur (UBC Department of Microbiology
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CEMB 121 MECHANICS OF MATERIALS LABORATORY EXPERIMENT (NO.2 (a)) SHEAR FORCE I SUMMARY Shear Forces occurs when two parallel forces act out of alignment with each other. For example‚ in a large boiler made from the sections of sheet metal plate riveted together‚ there is an equal and opposite force exerted on the rivets‚ owing to the expansion and contraction of the plates. The shearing force (SF) at any section of a beam represents the tendency for the portion of the beam on one side of
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Evaluation of antidiabetic and antimicrobial activity of jasminum grandiflorum leaves INTRODUTION 1.1. The pancreas and insulin formation The pancreas is an elongated organ situated next to the first part of the small intestine. It is both an endocrine gland that produces hormones‚ such as insulin and glucagon‚ and an exocrine gland producing digestive enzymes‚ such as trypsin and chymotrypsin (Martini‚ 2004). It is located behind the stomach‚ between the spleen and the duodenum (see Figure
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Exercise 10: Acid-Base Balance: Activity 1: Hyperventilation Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1. The fastest compensatory mechanism for maintaining pH homeostasis in the human body is You correctly answered: c. the chemical buffering system. 2. An increase in hydrogen ion concentration would You correctly answered: d. decrease pH. 3. The amount of carbon dioxide in the blood is measured in You correctly answered: b. mm Hg. 4. The reaction
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your own words‚ describe the overall goal of the storyboarding activity. The storyboarding was to demonstrate of how a muscle contracts and how it goes back to relaxation‚ but more importantly how each part does it function for this to happen. I was a little confuse about how the process happens‚ but I’m the type of person that can learn more when I have a visual so I think it was really helpful to to do the storyboarding. In today’s labs I learned how the channels open and releases and let in the
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