Which of these is true of all simple machines? A. Input force is always less than output force.
B. Work input is always greater than work output.
C. Work output is always greater than work input.
D. Output force is always less than input force.

Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above