Question

250 kg water is stored in the overhead tank of a 20 m high building. Calculate the amount of potential energy

stored in the water [ g = 9.8 m/s2

]​

Answer 1

Answer:

Suppose mass of the object (m) = 20 kg, while height (s) = 10 m

given that g = 9.8 m/s2

The value for F = mg

= 20 × (-9 8)

(Because the displacement is opposite the direction of the force, the negative sign is mentioned.)

Hence, F = -196 N

Now, W = F s

= -196 ×10

Thus, W = -1960 J

Answer 2

Answer:

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