Use of lubricant
Use of ball bearers
Use of streamlined body
Use of graphite
An electron has a negative charge
Explanation:
Work done is the force applied to move a body through a specific or particular direction.
It is also the difference in the amount of energy expended in using an effort.
Work done is given as;
Work done = F x d CosФ
F is the force applied
d is the displacement
Ф is the angle
The unit of work done is in Joules.
Measure the length of one side and then cube the answer. So if x represents the measurement of one side, x³ will give you the volume.