Dragging is the act of moving something along a surface with force, typically by pulling or pushing it across the ground. It is commonly used to relocate or reposition objects that are heavy or cumbersome.
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Friction is the force that opposes the motion of an object when it is in contact with another object, making it difficult to pull things along.
A magnet can push or pull objects with metal components due to its magnetic field.
Gravity is the force that moves water from high ground to lower ground. Water flows downhill due to the gravitational pull, following the path of least resistance.
To "pull something out of thin air" means to come up with something spontaneously and seemingly without any prior thought or basis. It can refer to creating an idea, solution, or answer abruptly or out of nowhere.
Railways work by using a system of tracks, locomotives, and freight or passenger cars to transport goods or people from one place to another. The locomotive provides the power to pull the train along the tracks, which are laid on a continuous bed of crushed rock or gravel called the ballast. Signals, switches, and control systems help to regulate the movement of trains along the railway network.