Gravitational force causes an object dropped from a height to fall towards the Earth.
Discussion Forum Latest Questions
There must be a gravitational force acting on the moon and the planets for them to maintain their orbits around the Earth and the Sun, respectively.
Isaac Newton recognized that the same gravitational force is responsible for objects falling to the Earth, the motion of planets around the Sun, and the moon orbiting the Earth.
The speed of work done by a vehicle or machine, or how quickly it changes energy or performs work, is a basis for its classification in terms of power. This helps in understanding its efficiency and performance capabilities.
A more powerful vehicle can complete a journey in a shorter time than a less powerful one because it can convert energy and perform work more quickly.