State the condition under which a force does not work.

State the conditions under which a force does no work.

What is meant by zero work ? State the conditions under which a force does no work. Give any one example.

State the conditions under which a force does no work .

State the conditions under which a force does no work.?

State the conditions under which the work done by a force is positive or negative.

State the condition under which Ohm's law is not obeyed in a conductor.