Question

explain the used of wheel and anxle​

Answer 1

Answer:

The wheel and axle is a machine consisting of a wheel attached to a smaller axle so that these two parts rotate together in which a force is transferred from one to the other. ... 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.

Answer 2

Answer:

Wheel and axle, basic machine component for amplifying force. ... In its earliest form it was probably used for raising weights or water buckets from wells. Its principle of operation is demonstrated by the large and small gears attached to the same shaft, as shown at A in the illustration.