Yamin Chowdhury

 

what is simple machine?

simple machine is a machine that  took a lot time to do work and we have give so many energy. Also we have to give a lot force to do work using simple machine. Ex: inclined plane, pulley, lever, wheel and axle,wedge and screw.

what is complex machine?

Complex is the machine that took less time to do work and save our energy. Complex machine makes our life luxurious.

This are some complex machine.

 

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