The net work done on a box is the total amount of energy transferred to or from the box as a result of external forces acting on it. It is a measure of the change in the energy of the box.
The net work done on a box is calculated by multiplying the force applied to the box by the displacement of the box in the direction of the force. The equation is W = Fd, where W is the net work done, F is the force, and d is the displacement.
The net work done on a box can be affected by the magnitude and direction of the applied force, as well as the distance over which the force is applied. Other factors such as friction and the weight of the box may also play a role.
A positive net work done on a box will result in an increase in the box's kinetic energy and cause it to accelerate in the direction of the applied force. On the other hand, a negative net work done will result in a decrease in kinetic energy and cause the box to decelerate or come to a stop.
Yes, the net work done on a box can be zero if the force applied is perpendicular to the displacement of the box. This means that the force is not doing any work on the box, and the net work done is zero. Additionally, if the force and displacement are in opposite directions and have equal magnitudes, the net work done will also be zero.