+A launch device is a [mechanism](/wiki/Mechanism) designed to impart initial [force](/wiki/Force) or momentum, propelling an object from rest. It overcomes inertia, setting a trajectory for flight, projection, or rapid deployment.
+## See also
+- [Catapult](/wiki/Catapult)
+- [Rocket](/wiki/Rocket)
+- [Projectile](/wiki/Projectile)
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