milariana milariana

06-01-2021
Chemistry

contestada

A student lifts her 2 kg backpack up 2 m with a force of 2 N. How much work does she complete?
a) 0 J
b) 4 J
c) 1 J
d) 8 J

Respuesta :

austin16768 austin16768

06-01-2021

Answer:

I think 4j isn't it she does a work

Answer Link

rakeshkumarshresha10 rakeshkumarshresha10

06-01-2021

Answer:

4 J

Explanation:

because work done equal to force × time taken

Answer Link

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