Moving force

(Mech.) a force that accelerates, retards, or deflects the motion of a body.

See also: Moving

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
White and grey and purple figures were scattered on the green, round wicker tables, in the middle the flame of the tea-urn made the air waver like a faulty sheet of glass, a massive green tree stood over them as if it were a moving force held at rest.
Thus, notable in himself, he was significant also as one of the moving forces of a great literary revolution.
The method of analysis is discussed in Section 3 along with the solutions of the moving force and moving mass double-beam problems.
The information was reported Friday by the Bulgarian Minister for Bulgarians Abroad, Bozhidar Dimitrov, who is the moving force behind the initiative.
Yet the company never became a potent moving force in American dance.
National Van Lines is "The Moving Force" in DoD household goods transportation.
The court noted that even if the policy required jail personnel to defer all medical decisions to the medical provider's employees, and even if the medical care received by the arrestee constituted deliberate indifference, there was no showing that the county policy was the moving force behind the violation.
Laypeople are a moving force in the evangelization of the country and co-operate with clergy to place a major focus on family life.
In fact, it's Rove who has been the moving force behind reform proposals to create private investment accounts in the Social Security system and to make investment and savings income in retirement accounts non-taxable.
Putnam Seabury secured all necessary approvals from the NYCDEP in 1999, and in fact, were the moving force behind the innovative demonstration Phosphorus Offset Program adopted by New York City.
Significantly, Rabbi Ezra Spicehandler, a moving force in this latest Open House effort, was once dean of the HUC Jerusalem campus.