Lab 5 NEWTON’S THIRD LAW AND Tension FORCES "Many a small thing has been made large by the right kind of advertising." -Mark Twain "What is the difference between unethical and ethical advertising? Unethical advertising uses falsehoods to deceive the public; ethical advertising uses truth to deceive the public." -Vilhjalmur Stefansson I saw a subliminal advertising executive‚ but only for a second. -Steven Wright • To develop an understanding and consequences of Newton’s Third
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interaction‚ there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. Interaction between the hammer and nail A hammer exerts a force on the nail and drives it into a board . But this is not the only force present for there must also be a force exerted on the hammer to stop it in the process. What exerts this force? The nail does. Newton reasoned that while the hammer exerts a force on the nail ‚ the nail
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The Ramp (and Friction) PhET Simulation Lab go to: phet.colorado.edu/en/simulation/ramp-forces-and-motion Introduction: When an object is dragged across a surface‚ the force of friction that must be overcome depends on the normal force as F=uN and the normal force is given by N= Wy‚ the vertical component of weight pointing perpendicular to the surface. When the angle of an inclined plane changes‚ the normal force changes and so does the friction. In this lab‚ you will change the angle of an inclined
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Motion states explains that a force is needed to change the motion of an object. It states that objects do not move or change their speed unless a force acts upon them. The first law applies to gymnastics in some areas‚ particularly on the bars and the balance beam. For example‚ on the bars when a gymnast performs a giant she is doing complete revolutions around the high bar while keeping her body straight. In order to begin this skill she had to apply some force to get into the motion of the
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There are two ways that this question will be answered. First‚ through the basic principles and then through a more advanced explanation. Roller coaster rides involve a great deal of physics. The ride often begins with a chain and motor which exerts a force on the train of cars to lift the train to the top of a tall hill. Once the cars are lifted to the top of the hill‚ gravity takes over and the rest of the ride works on energy transformation. There is no motor or engine that takes a train around the
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objects at rest will stay at rest unless and unbalanced force acts on it. One aspect of a car that relates to Newton’s first law is how if a car a car will continue doing what its doing unless an unbalanced force is applied. For example a car parked in a driveway will not drive forward or reverse unless an unbalanced force is applied. When in motion a car travelling at 50m/s will continue travelling at 50m/s unless acted upon by an unbalanced force. Another aspect of the car that relates to Newton’s
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walking on push our feet back with a force. Now‚ as per the third law the ground would definitely push our feet back but if we are walking on a perfectly smooth ground which has no friction our force would simply cancel out the force reverted by the ground and we would fall. If there was no friction‚ your foot would simply slide back as you tried to take steps‚ and you would go nowhere. In order for something to move‚ it has to have a force moving it. That force has to have leverage‚ or friction
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straight-line collision‚ the net work done is equal to the average force of impact times the distance traveled during the impact.Average impact force x distance traveled = change in kinetic energyIf a moving object is stopped by a collision‚ extending the stopping distance will reduce the average impact force. Car crash example | Seatbelt use | Auto stopping distance | Large truck-small truck collision | Two trucks‚ equal momentum | Impact force of falling object | Work-energy principle for angular quantities
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acceleration and net force if the mass of the body is constant and to verify the inverse proportionality of acceleration and mass if the net force is constant. It is now clearly explained and proven that Newton’s second law of motion is true. By experiments‚ the law is proved. All data produced results parallel to what Newton states. We can say that the acceleration is directly proportional to the net force if the mass of the body is constant. The acceleration increases as the net force increases. The
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of a force meter (the force meter will measure the force required to move the mass. 3. Place the lass on the table at the starting point. Hold the force meter parallel to the tabletop. Pull the mass at a constant speed along the surface of the table to the 0.50 m mark. Observe the force measured on the force meter 4. Record the force and distance 5. Repeat steps 3 and 4 for a distance of 1.00 m 6. Repeat steps 3‚ 4‚ and 5 with a 0.2 kg mass. Analysis: 1. Did you exert the same force on the
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