there is a track which is 50 cm long and 20 cm thick.. at the end of this track there is an elevated track having length 30cm and height 10cm.....

energy conversion help needed on how to convert elctromagnetic energy into mechanical.. like operating a motor, turbine etc..(pls suggest some simple ways which can easily be perfprmed) also could anyboby...

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Help needed with contraptions heyy!!! m a 2nd yr btech student of nit kurukshetra.. i need some help regarding the topic contraption. i want to knw about the differnt energy...