A simple machine has efficiency 90% what does it mean?

Hey mate here's your answer ⤵️

90% efficiency of simple machine means that with 100% input, the machine will give a work output of 90%.

EXPLANATION:

The efficiency of a machine is the ratio of its Mechanical Advantage to its Velocity. A machine is said to be 100% efficient when this ratio is 1:1

when the use of electricity burdens the fuse and miniarure circuit beakers and there is a possibility of a fuse then they automatically cut off the electricity supply to your homes and after you fix the problem u jzt switch it on and it continues the supply of electricity to ur homes

50 inches should be the resultant vector