In this manner of holding the reins the snaffle is not so likely to slip, while the curb can be easily slackened or drawn tighter.
F = T1 Ti = T1 (I ef9) Ta(ef 1)j When a belt connecting a pair of pulleys has the tensions of its two sides originally equal, the pulleys being at rest, and when the pulleys are next set in motion, so that one of them drives the other by means of the belt, it is found that the advancing side of the belt is exactly as much tightened as the returning side is slackened, so that the mean tension remains unchanged.
Three years later the triumph of the Jacobins brought with it the " abolition of Christianity," and a spell of violent persecution, which gradually slackened under the Directory (1795-99) In 1799 Napoleon became First Consul, and at once set himself to deal with the ecclesiastical problem.
Shortly afterwards the alliance with Russia was strengthened, and that with England slackened in proportion.
A certain warmth, akin to the vital heat of organic being, seems to be found in inorganic nature: vapours from the earth, hot springs, sparks from the flint, were claimed as the last remnant of Pneuma not yet utterly slackened and cold.