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What is a mechanical device?
A device that transmits or modifies force or motion to perform a task.
What is a lever?
A rigid bar that pivots around a fixed point (fulcrum) to multiply force.
What is a pulley?
A grooved wheel that turns around an axle, used with a rope or cable to lift objects.
What is an Inclined Plane?
A sloping surface used to raise objects with less force than lifting directly.