Force is a fundamental concept in all forms of physics. In the most basic sense, there are four fundamental forces. These are gravitational force, electromagnetic force, weak force and strong force. These are also known as interactions and are non-contacting forces.
Energy is a non-intuitive concept. The term “energy” is derived from the Greek word “energeia” which means operation or activity. In this sense, energy is the mechanism behind an activity. Energy is not a directly observable quantity. But it can be calculated by measuring external properties. Energy can be found in many forms