Gearing system in cars

Why we put 1st gear for move a rest car instead of 4th gear

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Parth Shukla

  • Mar 15th, 2015

Because, first gear produces greater value of torque compared to fourth gear, which is required to overcome the static friction.

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  • Mar 16th, 2015

bcoze a car in REST need more TORQUE to move (larger dia. of gear provide this torque).

Its same as we need larger force to push any object from rest, as compare to force needed to b keep a moving object in motion.

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shaik samdani

  • Sep 3rd, 2015

To move any vehicle from stationary condition we required more torque over than speed, in 1st gear drive wheel is smaller than the driven wheel so more torque generates. But in 4th gear drive wheel bigger than the driven wheel, if drive wheel rotate one revolution driven wheel rotate 4 revolutions so more speed finally we select 1st gear.

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