KeenanStormbringer KeenanStormbringer

14-04-2017
Physics

contestada

You need to move your 2 kg physics book from the dinner table. You lift it to the shelf that is 3 m above the table. How much work was done?

Respuesta :

Panaboy Panaboy

14-04-2017

w= f x d 1 KG = 9.8 Newton
w=19.61N X 3M
58.83

Answer Link

SirJames15 SirJames15

12-01-2022

Answer:

W = 58.86 J ≈ 60 J

Explanation:

d = 2 m

m = 3 kg

g = 9.81 m/s2

W = ?

W = (mg)d (W = Fd)

(mg is equal to weight in Newtons, or the force, F, to lift something in Newtons)

W = (3 kg)(9.81 m/s2)(2 m)

W = 58.86 J ≈ 60 J

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