Simple Machine: A machine with few or no moving parts. Simple machines make work easier. Examples: Screw‚ Wheel and Axle‚ Wedge‚ Pulley‚ Inclined Plane‚ Lever Compound Machine: Two or more simple machines working together to make work easier. Examples: Wheelbarrow‚ Can Opener‚ Bicycle Inclined plane: A sloping surface‚ such as a ramp. Makes lifting heavy loads easier. The trade-off is that an object must be moved a longer distance than if it was lifted straight up‚ but less
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The Physics of Braking Systems By James Walker‚ Jr. of scR motorsports Copyright © 2005 StopTech LLC Author’s disclaimer: mechanical systems operating in the physical world are neither 100% efficient nor are they capable of instantaneous changes in state. Consequently‚ the equations and relationships presented herein are approximations of these braking system components as best as we understand their mechanizations and physical attributes. Where appropriate‚ several examples of limiting conditions
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materials for the cart were gathered. - Shoebox (1) - Pole (2) [0.75cm radius] - Axle (2) [0.1cm radius] [0.3cm radius] - String - Wheels (2) [5.5cm radius] - CD (2) [6cm radius] - Thin stick - Pulley - Tape 2. The shoebox and the poles were measured and marked at places for drilling. 3. Four holes were drilled on the shoebox with electric drill. (Larger than the axles to reduce friction from the cardboard on the axles) 4. A hole was drilled near the top of each pole. 5. The box was cut on the
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A lateral motion device is a mechanism used in some railroad locomotives which permits the axles to move sideways relative to the frame. The device facilitates cornering. The coupled driving wheels on steam locomotives (often simply called "drivers") were held in a straight line by the locomotive’s frame. The flanges of the drivers were spaced a bit closer than the rail gauge‚ and they could still fit between the rails when tracking through a mild curve. At some degree of curvature‚ though‚ the flanges
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Induce a magnetic field and fit around the armature. | The magnets supply the magnetic field which interacts with the current in the armature to produce the motor effect. | Armature | The armature consists of a cylinder of laminated iron mounted on an axle. Often there are longitudinal grooves into which the coils are wound. | The armature carries the rotor coils. The armature is the part of a DC motor that rotates and provides energy at the end of the shaft. It is basically an electromagnet | Rotor
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friction which occurs in between the axles and the brackets. 2. What problems related to friction did you encounter and how did you solve them? We noticed that at times the car would come to a sudden stop. We realised that is most likely caused by too much rolling friction between the axle and the frame‚ thus causing the wheels to stop turning which in turn makes the car stop. We solved this by disassembling the axle from the frame and re-attaching it to larger axle holes in order to make sure that
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Introduction Did you know that you probably used an electric motor today? Yes‚ that’s right. If you put on clothes that were washed in a washing machine‚ rode in a car‚ ate food from a fridge‚ warmed up lunch in a microwave‚ or played a video game‚ you used an electric motor! Try this science fair project and you’ll learn how to make a simple electric motor by having two magnets "talk" to each other. As they interact‚ they will alternate between "liking" each other (being pulled together)‚ and "disliking"
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itself in relation to the area around it. Think of ATP synthase as two different chambers connected by an axle. The first chamber is closets to the inter-membrane and has a motor that can rotate the axle provided it has charged
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turning it to kinetic energy. This kinetic energy is what makes the car move after which the rubber band swiftly returns to its original size and shape. When the band is wound around the axle‚ it is given the potential energy which is energy that is stored for later use. When the rubber band is released the spinning axle turns the potential energy into kinetic energy. This therefore follows that the more the rubber band is wound‚ the more you have stored energy and the quicker and longer your rubber
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nothing without axles. Given the size of your car‚ wooden barbeque skewers will make perfect axles. Use wire cutters to snip two 4" pieces of skewer. 3.) You need to mount the axles to your chassis in a way that allows the axles to turn freely. For mounts‚ cut two 3" sections of straw and use tape to fix the mounts to the front and back (3" sides) of your chassis. 4.) Now that you have axle mounts‚ mount your axles! Slide the wooden skewers through the middle of the straws. 5.) Axles are great
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