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11-03-2016
Chemistry

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A steel block has a volume of 0.08 m³ and a density of 7,840 kg/m³. What is the force of gravity acting on the block (the weight) in water?

A. 6,150.64 N
B. 5,362.56 N
C. 7,600.18 N
D. 6,700.56 N

Respuesta :

25-03-2016

Given:

volume of 0.08 m³

density of 7,840 kg/m³

Required:

force of gravity

Solution:

Find the mass using density equation.

D = M/V

M = DV

M = (7,840 kg/m³)(0.08 m³)

M = 627.2kg

F = Mg

F = (627.2kg)(9.8m/s2)

F = 6147N

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