For a system in mechanical equilibrium, the resultant A) force ...

[bobbysung]

For a system in mechanical equilibrium, the resultant
 
  A) force must be zero.
  B) torque must be zero.
  C) both of these
  D) none of these

Question 2

A ball that gains speed as it rolls down a hill experiences a
 
  A) net torque.
  B) net force.
  C) both of these
  D) neither of these

[apple]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: C

[bobbysung]

Wow, this really help

[emsimon14]

Thanks for the timely response, appreciate it