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2 years ago

How much work, in Newtons, is required to lift a 20.4-kg (45lb) plate from the ground to a stand that is 1.50 meters up?

Engineering

1 answer:

nataly862011 [7]2 years ago

4 0

Answer:

Explanation:

Work, U, is equal to the force times the distance:

U = F · r

Force needed to lift the weight, is equal to the weight: F = W = m · g

so:

U = m · g · r

= 20.4kg · 9.81 $\frac{N}{kg}$ · 1.50m

= 35.316 $\frac{N}{m}$

= 35.316 W

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Answer:

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Explanation:

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3 years ago

A power company desires to use groundwater from a hot spring to power a heat engine. If the groundwater is at 95 deg C and the a

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Answer:

W = 12.8 KW

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