Wheels are to sledges as sails are to boats. Just as wheels enable sledges to move efficiently over land, sails provide propulsion for boats, allowing them to navigate through water. Both pairs represent essential components that facilitate movement in their respective modes of transport.
Sledges are designed without wheels to allow them to glide smoothly over snow or ice. Adding wheels would increase friction and make it harder to slide. Sledges are meant to be used in snowy conditions where wheels would not be effective.
Sledges used by eskimos have no wheels as application of wheels reduces the area in contact with the snow. As pressure is inversely proportional to area , less will be the area more will be the pressure. Due to the access of pressure wheels may sink in snow and it will be difficult to move it.
Sledges pulled by dogs, skis, snowmobiles, and snow tractors of various kinds- some with caterpillar tracks and some with extra-big wheels.
Sledges are used to transport material across the ice, usually pulled by Ski-Doo machines. These are working sledges, not recreational sledges.
Rubber wheels provide a more comfortable ride since they absorb some of the vibration from the surface. They also provide more grip.
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There are several types of wheels used for moving heavy equipment, including solid rubber wheels, pneumatic wheels, polyurethane wheels, and steel wheels. Solid rubber wheels are durable and provide good traction, while pneumatic wheels are filled with air for a smoother ride. Polyurethane wheels are resistant to chemicals and have a high load capacity, while steel wheels are strong and can handle heavy loads. Each type of wheel has its own advantages and is chosen based on the specific needs of the equipment being moved.
The gears on a car provide the power to drive the wheels.
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