The tidal force is a secondary effect of the force of gravity and is responsible for the tides. It arises because the gravitational force exerted by one body on another is not constant across its diameter.

TIDAL FORCE
Tidal Force
Tidal Force
Weyl Tensor
The effects of the Tidal Force on Shear Instabilities in the Dust Layer of the Solar Nebula
Relation between tidal force triggering of significant shocks and the large earthquake and its application in the prediction of Yiaj...
A study on tidal force/stress triggering of strong earthquakes
Lunisolar tidal force and the growth of plant roots, and some other of its effects on plant movements.
RELATIONSHIP BETWEEN THE VARIATION OF LUNISOLAR TIDAL FORCE AND EARTHQUAKES IN TAI WAN
THE RESEARCHING OF THE RELATION OF OCCURENCE TIME OF EARTHQUAKES AND THE SOLAR-LUNAR TIDAL FORCE IN SOME AREAS OF CHINA
A study on tidal force/stress triggering of strong earthquakes引潮力與潮汐應(yīng)力對(duì)強(qiáng)震觸發(fā)的研究
Variation of Lunar-Solar Tidal Force and Earthquakes in Taiwan Island of China
The rate of supply and removal of new comets by the Galactic tidal force