An astronaut who weighs 800 N on the surface of the Earth lifts ...

[berenicecastro]

An astronaut who weighs 800 N on the surface of the Earth lifts off from planet Zuton in a space ship. The free-fall acceleration on Zuton is 3.0 m/s² (down). At the moment of liftoff the acceleration of the space ship is 0.50 m/s² (up). What is the magnitude of the force of the space ship on the astronaut?
   
  a.
  41 N
   
  b.
  0.29 kN
   
  c.
  0.24 kN
   
  d.
  0.20 kN
   
  e.
  0.37 kN

Question 2

If F = 5.0 N, what is the magnitude of the force exerted by block 2 on block 1?
 
   

   
  a.
  17 N
   
  b.
  19 N
   
  c.
  21 N
   
  d.
  23 N
   
  e.
  5.0 N

[IRincones]

Answer to Question 1

b

Answer to Question 2

a

[berenicecastro]

Wow, this really help

[amandalm]

Excellent