Newton’s First Law of Motion explains that objects in a state of uniform motion tends to remain in rest unless an external force is applied to it. Galileo’s concept of inertia is termed “Law of Inertia”. Law of Inertia‚ an object in motion will continue in the same motion unless acted by an outside force. Aircraft in flight is an example of First Law of Motion‚ four forces on an aircraft; lift‚ weight‚ thrust‚ and a drag. Consider the motion of an aircraft at constant altitude‚ we can neglect the
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Power is defined as derived from the utilization of physical or chemical resources‚ especially to provide light and heat or to work the machines. Energy has everything and anything to do with my project. It is a very important term to understand. Energy is a very important factor that determines how far the cars I made for my project will go. This illustrates how if the car doesn’t have enough kinetic energy the car won’t go very far. According to my research‚ If work‚ which transfers energy‚ is
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Abstract This purpose of this experiment was to observe the relationship between centripetal acceleration‚ centripetal force‚ and a mass M. In this experiment we used a circular motion apparatus that had a plumb bob attached to a metal shaft (that connected the plumb bob to the vertical shaft) and spring. We found the centripetal force from the spring when it was in circular motion. We hung masses off a pulley system that was attached to the plumb bob until the plumb bob was perpendicular to the
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Questions: 1. How does air resistance affect the falling of a parachute? Air resistance affects the falling of a parachute because the resistance in the air molecules slow down the falling of the parachute. If there were no air resistance then the gravity would pull the parachute toward earth and it will drop very fast. 2. What aspects of a parachute affect the amount of air resistance generated? Length‚ mass‚ and materials are some of the aspects that affect the amount of
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Kinetic Friction Experiment #13 Joe Solution E01234567 Partner- Jane Answers PHY 221 Lab Instructor- Nathaniel Franklin Wednesday‚ 11 AM-1 PM Lecture Instructor – Dr. Jacobs Abstract The purpose of this experiment was to examine kinetic friction and what factors affect it. We pulled a wood block across a surface to determine whether the surface area of the block or the type of surface affects friction. The surface area did not appear to affect friction‚ since there was a small percent difference
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Title: Uniform Circular Motion Objective: To investigate the relationship between FnetT² and radius Proposed Hypothesis: FnetT² is directly proportional to the radius Manipulated variable: Radius of the circular motion Responding variable: The time taken for 20 rotations Controlled variables: The mass of the rubber stopper‚ the mass of the weight hanger‚ the total weight of the slotted weight‚ the length of the PVC tube Apparatus and Materials: rubber stopper‚ stopwatch‚ weight
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A projectile is an object upon which the only force acting is gravity. Many projectiles not only undergo a vertical motion‚ but also undergo a horizontal motion. That is‚ as they move upward or downward they are also moving horizontally. There are the two components of the projectile’s motion - horizontal and vertical motion. And since perpendicular components of motion are independent of each other‚ these two components of motion can be discussed separately. The goal of this part of the lesson is
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Gymnastics Vault and floor focus on energy conservation and motion in different dimensions. Before a vault or a tumbling pass‚ I start by running (about 60 feet for vault and 15 for floor) trying to attain maximum speed and acceleration right before I begin the first part of the skill. On vault‚ I try to be as efficient as possible in my hurdle to the springboard and transfer to the table‚ which I then push with my arms and shoulders to get one more energy boost before flying off the table. In
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PHYSICAL ABILITY Physical ability is the capacity to do tasks or perform any work that requires stamina‚ dexterity‚ strength‚ and similar characteristics. There are nine basic physical abilities that one should have. They are as follows: ▪ Strength Factors: • Dynamic strength • Trunk strength • Static strength • Explosive strength ▪ Flexibility Factors: • Extent flexibility • Dynamic flexibility
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ASP 0501 EXERCISES – circular motion 1 A car travels at a constant speed around a circular track whose radius is 2.6 km. The car goes once around the track in 360 s. What is the magnitude of the centripetal acceleration of the car? 2 An astronaut in a chamber moves on a circular path‚ much like a model airplane flying in a circle on a guideline. The chamber is located 15 m from the center of the circle. At what speed must the chamber move so that the astronaut is subjected to 7.5 times the acceleration
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