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Q.

Explain cycling in physics

Tags: careers, health, education
Asked by gopi, 19 Oct '09 06:53 pm
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Answers (2)

1.

Torque is what makes the wheels on the bike go round. Great research has been but into the sport in order to figure out how to increase the torque applied by the rider to the rear wheel, wile decreasing the torque required to make the wheel turn. Torque is produced the rider using a device called a crank which looks like this:

The torque in the series of parts that drive the bicycle forward (called the drive train) is dependant on the size of the chain ring (the large gears mounted on the crank) being used, and the size of the rear cog being used. When the chain is on the smaller chain ring, the force through the chain must be greater because the chain ring is closer to the axis of rotation and must apply a larger force to equal the torque produced by the pedals.

Likewise, if a larger cog is used in back on the wheel, an larger torque is exerted on the wheel, and so produces a larger forward force at the tire. These higer-torque gears are good for climbing, where large forward fo ...more
Answered by PARTHA PATHAK, 19 Oct '09 07:17 pm

 
  
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2.

Riding cycles.
Answered by dhananjay aditya, 19 Oct '09 07:06 pm

 
  
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