Forces of Nature

Introducing the four main forces of nature: gravity, electromagnetic force, weak and strong nuclear forces. Learn why they are fundamental to life on Earth. Physics - Forces - Learning Points. There are four fundamental forces of nature. Gravity attracts objects to each other. Electromagnetic force causes charged particles to either attract or repel. There are strong and weak nuclear forces that act at subatomic levels. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.