Universal Gravitation. Physics. Warm-Ups. What is Newtonian Synthesis? Same laws of physics that apply to Earth, also apply to the heavens. Warm-ups.
Why do astronauts orbiting in space feel weightless?
The gravitational field strength is 7.83 N/kg at the altitude of the space shuttle. (a) How much does an 80 kg astronaut weigh on the shuttle? (b) How much did the astronaut weigh on earth? (1 N = .22 lbs.)
a) 137.8 lbb) 172.5 lb