6 November, 2016
Sir Isaac Newton is a great scientist and a mathematician. He found a great force which is known as the gravitational force. This is a mysterious force because it pulls everything towards the Earth. Gravitational force is very important to our lives. Without Earth’s gravity we would float.
Adithya Sooriarachchi,
Grade 8,
Yasodara Vidyalaya,
Colombo – 7.