Question

A boy of mass 40 kg runs up flight of 50 steps each 10cm high in 5 second .
Find:-
(i)the work done by boy
(ii)the power developed (g=9.8ms -square)​

Answer 1

Answer:

1 work =force ×dicplacement

Explanation:

so,force =40 kg

displacement =50 steps

each 10cm in 5sec

so now you can find the answer ಥ‿ಥಥ‿ಥಥ‿ಥ