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(g = 9.8 m/s2 on the earth.)
Click on Show_images above and select problem08_07.gif to see the geometry.
An astronaut of mass mA = 80 kg takes off in a shuttle from earth.
(a) While still sitting on the ground, what is the force of the astronaut on his seat?
(b) What is the force of the astronaut on his seat while accelerating upward
at aA = 10 m/s2) ?