The radii of the axle and the wheel are increased by 3 times and 5 times, respectively. The new M.A. advantage of the wheel and axle is

What is wheel and axle?

Pulley and wheel and axle

Give example of a wheel and axle?

The radius of the wheel of a wheel and axle is 4 times the radius of the axle. What is the mechanical advantage of the wheel and axle?

A wheel and axle with radii 20 cm and 5 cm, respectively, can be considered as

In a wheel and axle machine the radii of the wheel and axle are 0.5 m and 0.05 m,respectively . A weight of 100 kg is raised when it is hanging by a rope from the axle by applying a force of 12 kg on the circumference of the wheel . Find the mechanical advantage, velocity ratio and efficiency of this machine.