During a certain time interval, the net work done on an object is zero joules. We can be certain that the object's final speed is same as its initial speed.
When the net work done on an object is zero, this indicates that the kinetic energy of the body has not changed which means that the object's final speed is same as its initial speed.
Since, we know from the Work energy Theorem that the Change in Kinetic energy is equal to the work done.
So, Zero work indicates that the kinetic energy has not varied which directly signifies that the speed has not change in the course of the interval.
Work is done by the force acting on the body which gets transferred in the kinetic energy of the body.
Kinetic energy is the energy produced due to the motion of the body in the system.
Learn more about Kinetic Energy here, https://brainly.com/question/999862
#SPJ4
