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Simple Machine Words
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Simple Machine Words
Play Turtle Diary's Simple Machine Words game. It is just one of many exciting and interactive science games on Turtle Diary
Words | Meaning | Example |
---|---|---|
Lever | A rigid bar that pivots around a fixed point called a fulcrum to lift or move objects. | A seesaw is a simple machine that uses a lever to balance riders. |
Pulley | A wheel with a groove for a rope or cable to run over, often used to lift heavy objects. | A flag on a flagpole is raised using a pulley system. |
Wheel and Axle | A rotating wheel (the wheel) attached to a rod (the axle) to make it easier to move objects. | A bicycle uses a wheel and axle to move forward when pedaled. |
Inclined Plane | A flat surface that is slanted, making it easier to raise or lower objects over a distance. | A ramp is an example of an inclined plane used for loading and unloading trucks. |
Wedge | A triangular-shaped tool with a sharp edge used for splitting or cutting objects. | A knife is a common example of a wedge. |
Screw | An inclined plane wrapped around a central cylinder, often used to hold things together. | A screw secures two pieces of wood in place. |
Compound Machine | A machine that combines two or more simple machines to perform work. | A bicycle is a compound machine that combines a wheel and axle with gears and a chain. |
Fulcrum | The fixed point around which a lever pivots or rotates. | The fulcrum of a seesaw is located in the center. |
Effort | The force applied to a simple machine to perform work. | To lift a heavy box, you need to apply a strong effort. |
Load | The object being lifted or moved by a simple machine. | The load on a pulley system is the weight you're trying to lift. |
Mechanical Advantage | The measure of how much a simple machine multiplies or increases the force applied to it. | A longer lever provides greater mechanical advantage for lifting. |
Work | In physics, work is done when a force is applied to an object to move it over a distance. | Lifting a suitcase into an overhead compartment requires work. |
Ramp | An inclined plane used for easier movement of objects, often with a gradual slope. | Wheelchair ramps provide accessibility for people with mobility challenges. |
Gear | A toothed wheel that meshes with other gears to transmit motion or change speed or direction. | A bicycle's gears allow the rider to change speed while pedaling. |
Chain | A series of connected links or rings that transmit motion or power, often used with gears. | A bicycle's chain connects the pedals to the rear wheel. |
Tension | The force exerted by a stretched object, such as a tightrope or cable. | The tension in the rope supports the weight of the hanging sign. |
Gear Ratio | The ratio of the number of teeth on two meshing gears, determining speed and torque. | A lower gear ratio provides more torque but lower speed, suitable for climbing hills on a bicycle. |
Efficiency | The measure of how well a machine converts input work into useful output work. | An efficient machine minimizes energy loss as heat or friction. |
Hydraulic System | A system that uses fluids under pressure to transmit force and perform work. | Car brakes use a hydraulic system to transmit force and stop the vehicle. |
Lever Arm | The part of a lever from the fulcrum to the point where force is applied. | The longer the lever arm, the more mechanical advantage it provides. |