LEAP 2025 Science Grade 6 Practice Questions - LEAP 2025 Science - Grade 6 Exam

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A space rocket engine ignites and pushes hot exhaust gases downward out of its nozzle. Which force causes the rocket to lift off upward into the sky?

The downward force of the atmospheric air pushing up against the rocket tip. The gravitational pull of Earth pulling the rocket away from the ground. The heat of the exhaust gases expanding the air beneath the rocket launcher. The equal and opposite upward force exerted by the escaping gases on the rocket.

Correct Answer:

The equal and opposite upward force exerted by the escaping gases on the rocket.

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