n. exertion of power used to move an object over a distance
Levers are simple machines that require effort force to operate.
input; power; exertion
output
VocabClass lessons are designed to engage students, improve motivation in learning the subject matter, and generate better results. Long-term retention is our focus and by making the learning process fun, our gamified approach has a positive impact on this goal.
View all games!
Try it! FREE!