Multiple forces act on an object at the same time. Find out more with BBC Bitesize. For students between the ages of 11 and 14.

Terminal velocity is the maximum speed achieved by an object freely falling through a gas or liquid. At terminal velocity, the forces acting on the object are balanced so it is no longer accelerating.

A research team has recently devised a novel mechanism to transport droplets at record-high velocity and distance without extra energy input, and droplets can be moved upward along a vertical ...

Markus Basan, Jens Elgeti, Edouard Hannezo, Wouter-Jan Rappel, Herbert Levine, Alignment of cellular motility forces with tissue flow as a mechanism for efficient wound healing, Proceedings of the ...