The human body can withstand an acceleration of 10 g under certain conditions. What net force would produce this acceleration for a 50-kg person?
A) 500 N
B) 2500 N
C) 5000 N
D) 25,000 N
E) none of the above
Question 2
An astronaut on another planet drops a 1-kg rock from rest and finds that it falls a vertical distance of 2.5 meters in one second. On this planet, the rock has a weight of
A) 1 N.
B) 2 N.
C) 3 N.
D) 4 N.
E) 5 N.