A 1 Kg rocket is launched upwards with a force of 9.8N. What happens to this rocket ?
g = 9.8 m/s^2
A) Never takes off the ground
B) Lifts of at a constant velocity
C) Accelerates initially and then drops down
E) What would happen at greater accelerations
Your detailed thoughts please!© BrainMass Inc. brainmass.com March 4, 2021, 10:47 pm ad1c9bdddf
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Before the launch
The gravitational force on the rocket is a constant force pointing down. The only thing that stops the rocket from from moving down is the force exerted on the rocket by the ground (Newton's third law). This force applied by the ground is there as long as the rocket pushes on the ground.
Hence the before the launch the rocket is standing still.
Now we apply on the rocket a force ...
The expert examines rocket physics launching forces.