For example, if I took a butane lighter & fired it up, there’s no force in any direction. How does a rocket ignition work & propel itself upwards?
Thanks,
In: Engineering
If you throw a rock, it will push back on your hand.
If you throw lots of rocks really fast, it could push you across the room.
If you have a firehose that shoots molten lava, it could lift you into the air.
If the force of the stream of lava is greater than the weight of the tank of lava strapped to your back, then it could lift you into space.
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