gravity

CEFR: C1-C2 /grav-i-ty/ [g.r.ae1.v.ah0.t.iy0]

Definition: The force that attracts a body towards the centre of the earth, or towards any other physical body having mass

Example Sentences:

Objects exert a force of gravity because they have mass and the more mass they have the stronger the force of gravity they exert. Physics has found only four forces in nature: gravity, electromagnetism, weak nuclear, and strong nuclear.