Work can be ____ negative or Zero.

In each of the following a force,F is acting on an object of mass,m. The direction of displacement is from west to east shown by the longer arrow. Observe the diagrams carefully and state whether the work done by the force is negative,positive or zero.

Can the experiment probability of an event be a negative number? If not, why?

Define negative vectors.

What do you understand by positive work, negative work and zero work? Give at least two examples of each type.

A point charge Q is placed at point O as shown in the figure. is the potential difference V_A - V_B positive, negative or zero if Q is postive or negative?

when is the work done by a force negative.