EntityQ3366867· pop 12· linked from 51 articlestest particleSign in to saveidealized model of a particleConnectionspoint particleEntityEarthConceptforceEntitymassEntityaccelerationEntityartificial satelliteEntityNewton's laws of motionEntitygeneral relativityEntityvolumeEntityelectric chargeEntityelectric fieldEntitymomentumEntityNewton's law of universal gravitationEntitytheoretical physicsEntitymass–energy equivalenceEntityCoulomb's lawEntitymechanical stressEntitygravitational fieldEntitycenter of massEntityEinstein field equationsEntityCategoriesMathematics of general relativity