Answer: Bearings
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What between a wheel and axel to reduce friction?
Which mechanical components are typically used between a wheel and an axle to reduce friction? A. springs B. hinges C. bearings D. levers
A set of bearings is typically a set of small metal balls packed in a groove and lubricated with grease or oil. The wheel rubs against one side of each ball and the axle rubs against the other side . The net effect is that the wheel rolls much more easily.
The mechanical advantage of the wheel and axle is the ratio of the distances from the fulcrum to the applied loads or what is the same thing the ratio of the diameter of the wheel and axle . A major application is in wheeled vehicles in which the wheel and axle are used to reduce friction of the moving vehicle with the ground.
Mon Oct 31 2011 · I understand about torque - the net torque on the wheel is only one of the forces on the wheel's angular motion in the simulation. Another force acting on the wheel is the resistance of friction as the wheel grinds around the central axle . It's this resistance I …
Wed Dec 07 2016 · Even a wheel produces some friction where its central hole rubs with the axle.To reduce friction still further wheels are mounted on ball bearing. The ball bearing is fixed between the hub of wheel and axle .When the wheel revolves the balls of ball bearing roll and reduce friction .
In addition the axle is hard and smooth and usually is lubricated with an oil or grease . This further reduces friction. These two factors wheel/axle geometry ...
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