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An inclined plane is a device such as a ramp, stair, or ladder and is used to more easily raise a load. The steepness of the incline affects the level of ease of movement. While a shallow incline makes it easier to raise a load, the length of the incline must be longer to compensate. A wedge is a movable double incline plane used to separate objects by the use of force. Examples include a knife, ax, and nail. A wheel and axle is essentially a modified lever, but it can move a load farther than a lever can. The center of the axle serves as a fulcrum. Gears, belts, cams, and cranks include applications of a wheel and axle. 78 BOY SCout <strong>NOVA</strong> AWARDS GUIDEBOOK
] A screw is an inclined plane wrapped in a spiral around a shaft. A pulley is a wheel over which a rope or belt is passed. It is also a form of the wheel and axle. Pulleys are often interconnected in order to obtain considerable mechanical advantage. Pulleys may be used to change the direction of the force or to increase the ease of lifting an object. B. Be able to tell your counselor the name of each machine and how each machine works. Helpful Link “Six Simple Machines”: ConstructionKnowledge.net Website: http://www.constructionknowledge.net/general_technical_ knowledge/general_tech_basic_six_simple_machines.php C. Discuss the following with your counselor: (1) The simple machines that were involved with the motion in your chosen merit badge (Hint: Look at the moving parts of an engine to find simple machines.) BOY SCout <strong>NOVA</strong> AWARDS GUIDEBOOK 79 Counselors and Mentors
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BOY SCOUT NOVA awards GUIDEBOOK
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BOY SCOUT NOVA awards GUIDEBOOK
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Letter From Dr. Bernard Harris When
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Introduction Introduction Welcome t
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Introduction The Supernova awards i
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Examples of magazines include—but
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14 BOY SCout NOVA AWARDS GUIDEBOOK
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Start Your Engines! This module is
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4. Design and build a working model
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Examples of magazines include—but
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Designed to Crunch This module is d
Page 29 and 30: After completion, discuss with your
Page 31: (3) Defense—Number of quarterback
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Page 37 and 38: Supernova Activity Topics Each STEM
Page 39 and 40: C. The environmental impact of the
Page 41 and 42: Household Chemistry: Diet Coke and
Page 43 and 44: Communication Technology This activ
Page 45 and 46: Part 2: Creating a Grand Illusion D
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Page 49 and 50: 2. Suggest an ideal design of your
Page 51 and 52: Resources Leonardo Da Vinci Egg Dro
Page 53 and 54: 6. Now, consider the realities of b
Page 55: Part 1: Ballot Setup, Gathering, an
Page 58 and 59: To remain competitive in the world
Page 60 and 61: Adult Roles: Nova Counselor and Sup
Page 62 and 63: Age-Appropriate Expectations Young
Page 64 and 65: Shoot! Projectiles and Space This m
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Page 68 and 69: B. Discover. Explain to your counse
Page 70 and 71: Helpful Links “Orbital Mechanics
Page 72 and 73: Start Your Engines! This module is
Page 74 and 75: Helpful Links The following links a
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Page 78 and 79: A lever is a rigid bar that turns a
Page 82 and 83: Archery—The bow is a lever and th
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Page 88 and 89: Half of the world’s people live i
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