The air is pushed out of the neck of the balloon. We know from Newton's Third Law that as air is being pushed out by the balloon and the air is pushing back on the balloon. There is now an ...

In the 17th Century, a scientist called Isaac Newton investigated the way things move and came up with three laws of motion. His laws are still very important and examples can be found everywhere ...

HOW is the science of mechanics to be taught to medical students who have to “get up” natural philosophy in three months? If a teacher, confronted with such a problem, took refuge in sheer ...