"force multiplication" is correct and usable in written English.
This phrase can be used to describe a situation or strategy whereby a relatively small effort is able to produce a much larger result. For example, "The new CEO's leadership style was a force multiplication, quickly driving productivity to unprecedented heights."
The larger diameter of the piston in the master cylinder provides a hydraulic force multiplication at the wheel cylinder that reduces the effort required of the driver.
Figure 1 demonstrates how quickly the Pareto Principle results in astonishing force multiplication.
Combined, these efforts will enhance stabilization by enabling a limited number of U.S. Forces to achieve operational objectives through virtual force multiplication.
Howard adds that the Pentagon is a mighty industry of message force multiplication, and if the word doesn't get out about the sequester in the newspapers, you can count on the Defense Department to bray about it.
A small tug of the rope at the high level gets multiplied as it goes down the chain of command, and this multiplication of force can easily drag even the most competent workers far off course.
Extension torque was calculated by multiplication of force with the 25 cm lever arm.
Extension torque was calculated by multiplication of force with the individual lever arm and data will be presented as torque.
They represent physical quantities such as forces: any two forces (of the same type) can be added to yield a third, and the multiplication of a force vector by a real multiplier is another force vector.
There is no secret in calculating the torque of the engine, but it is just a multiplication of force-to-distance from the center of the crankshaft.
Reproduction is largely a matter of creative force of the ontogenetic programs; multiplication is largely a matter of contingency.
High mechanical advantages (relatively long inlevers) allow for a multiplication of the force produced by the jaw muscles during its transfer to the lower jaw and the teeth.
