Question

1, 2 ,3, 4 हे अंक प्रत्येक संख्येत एकदाच वापरून तयार होणाऱ्या सर्व चार अंकी संख्याच्या बेरजेला 6 ने भागल्यासउत्तर काय येईल?​

Answer 1

Machines are useful to us in the following ways:

In lifting a heavy load by applying a less effort.

In changing the point of application of effort to a convenient point.

In changing the direction of effort to a convenient direction.

For obtaining a gain in speed.