My car utilizes the energy stored within a stretched rubber band‚ and converts it into rotational kinetic energy‚ which moves the wheels forward. 2 non-motile rods were placed on the front of the chassis to maintain tension in the rubber bands‚ and allow the rubber band to retract as it leaves the axle‚ preventing it from limiting axle motion. The CD wheels on the rear of the vehicle allow a larger displacement per axle rotation‚ meaning the car will be able to travel a farther distance. Vinyl tape
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Module 3: Natural Forces Affecting the Driver Vocabulary: Please define six (6) of the following terms in your own words. Please do not just copy and paste the definition. 1. Gravity- 2. Inertia- 3. Potential Energy- 4. Kinetic Energy- 5. Friction- 6. Traction- 7. Centrifugal Force- 8. Centripetal Force- 9. Deceleration- 10. Force of impact- Module 4: Signs‚ Signals & Pavement Markings 1. Explain the purpose of the following A. The difference between solid and broken lines is:
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Chapter 11 Rolling‚ Torque‚ and Angular Momentum In this chapter we will cover the following topics: -Rolling of circular objects and its relationship with friction -Redefinition of torque as a vector to describe rotational problems that are more complicated than the rotation of a rigid body about a fixed axis -Angular momentum of single particles and systems of particles -Newton’s second law for rotational motion -Conservation of angular momentum -Applications of the conservation of angular
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UIC PHYSICS 105 Spring 2013 Practice Exam 1 UIC Physics 105 Midterm Practice Exam 1 Spring 2013 Best if used by February 17 PROBLEM Multiple Choice Short Problem 1 Short Problem 2 Short Problem 3 Short Problem 4 Short Problem 5 Short Problem 6 Total POINTS 40 10 10 10 10 10 10 100 SCORE Page 1 of 11 UIC PHYSICS 105 Spring 2013 Practice Exam 1 MULTIPLE CHOICE QUESTIONS (2 points each) Clearly circle the letter of the best answer MCQ 1: The figure to the right represents
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( ) #25 Ave speed = distance / time = v = d/t Ave velocity = displacement / time = v = d/t Ave acceleration = change in velocity / time Friction Force FF = µ•FN If the object is not moving‚ you are dealing with static friction and it can have any value from zero up to µs FN If the object is sliding‚ then you are dealing with kinetic friction and it will be constant and equal to µK FN #26 #8 #28 Universal Gravitation F =G m1 m2 r2 G = 6.67 E-11 N m² / kg² #9 τ =
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positional energy. As the roller coaster falls is has enough kinetic energy to make it through the remainder of the ride. Inertia keeps the object in motion. The other forces bring the roller coaster to a stop by friction. Since roll coasters don’t have motors they need to be pulled up by a chain up the first big hill. No engine is required because of inertia. The roller coaster won’t last forever. Two of the significant energies are friction
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Name: _ANSWER KEY_ Date: _(2012-2013)_ Date of Science Exam: __________ Period: _______ Science 8 - Semester One - Final Exam Study Guide (2012-2013) Safety and Tools 1. A fire blanket puts out a fire on a _person_‚ while a fire extinguisher puts out a flame on an_object_. 2. What tool should be used to accurately measure the volume of a liquid? _graduated cylinder_ 3. What tool should be used to handle hot materials in a classroom? _oven mitts_ The Metric System Complete the following
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Running head: ROLLER COASTERS Roller Coasters: History‚ Physics‚ and records Abstract This paper explains the early history of roller coasters from their rough beginnings in Russia through the migration to the United States. It goes on to emphasize the important physics that go along with how roller coasters operate and the forces that work with and against it. In the end it talks about what records and accomplishments have been made with the usage of roller coasters. Formal Outline I
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SS.1 SS.2 SS.3 EC.1 EC.2 NPM.2 Core content and depth of coverage will vary between groups This unit is based around Chapters 5‚ 6‚ & 10 Science. World 1 Amusement Park Rides Types Safety Pushes and Pulls Forces around you Friction The pull of gravity Energy What is energy? Forms of energy Energy comes – energy goes How things work Simple machines Pulleys and gears Electrical things Lab Report Writing (Genre of the Report) Handling materials safely Hypothesising
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OBJECTIVE The purpose of this experiment is to calculate the gravitational potential energy through experimental values‚ to calculate the theoretical potential energy given the experimental kinetic energy in an isolated system while also using the kinetic energy to find the spring constant‚ and to compare kinetic energies and potential energies in an isolated system to see if they are equivalent. METHOD To calculate the gravitational potential energy through experimental values‚ we dropped a
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