1) The force supplied by rocket engine must be strong enough to overcome a) Thrust b) Gravity c) Weight 2) For every action there is equal and opposite reaction this was Newton's  a) A first law of motion b) A second law of motion c) A third a law of motion 3) Why is it important to have fins on your rocket ? a) The reduced drag b) They evenly distribute the weight c) They stabilize the rocket 4) The amount of thrust (force) produced by the rocket engines needs to be ____________ than the force of gravity holding it down. a) Equal b) Less c) Greater 5) Any man-made object sent in space to Orbit around certain body is called a) Low earth orbit b) Artificial Satellite c) Natural Satellite

Rocket Science

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?