A 50 meter chain with uniform density and a mass of 40 kilograms is hanging from the roof of a building under construction. How

Question

3 years ago

15

much work (in Nm) is required to pull the chain up?

2 answers:

Brums [2.3K] · Answer 1 · 2022-06-09T22:01:01+03:00

8 0

Answer:

19,600 Nm

Step-by-step explanation:

WD = mgh

= 40 × 9.8 × 50

= 19600 Nm

sertanlavr [38] · Answer 2 · 2022-06-10T00:13:59+03:00

5 0

Answer:

W = 19600 N m

Step-by-step explanation:

W = force * distance

The force is the weight times gravity since it is hanging down

W = 40 kg* 9.8 m/s^2 * 50m

19600 kg m^2/s^2

A newton is kg m/ s^2

W = 19600 N m