The net force that acts on a 100-N freely falling body is
1) zero,
2) 9.8 N,
3) 100 N,
and its acceleration is
4) zero.
5) 9.8 m/s2.
6) 100 m/s2.
Question 2
A 200-N weight hangs motionless from a string that is attached to the ceiling. The net force acting on the weight is
1) zero,
2) 100 N,
3) 200 N,
and if the string breaks, the net force acting on the weight will be
4) zero.
5) 100 N.
6) 200 N.