Question

What is the velocity ratio of a wheel and axle if the radii of wheel
and axle are 375 mm and 75 mm respectively? ​

Answer 1

Answer:

Thus the velocity ratio of a wheel and axle is the ratio of the radius of the wheel to the radius of the axle. ... Velocity ratio of simple machine is the ratio of distance travelled by effort to the distance travelled by load in the machine.

Explanation:

Answer 2

A simple machine is a basic mechanical device to transfer forces.

There are six types of simple machines: wheel and axle, inclined plane, wedge, lever, pulley, and screw.