- #1
victorlee2
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Homework Statement
A beaker of mass 1.4 kg containing 2.3 kg of water rests on a scale. A 2.8 kg block of a metallic alloy of density 4700 kg/m3 is sus- pended from a spring scale and is submerged in the water of density 1000 kg/m3 as shown in the figure.
(a) What does the hanging scale read? The
acceleration of gravity is 9.8 m/s2 .
Answer in units of N.
(b) What does the lower scale read?
Homework Equations
P = Po + pgh
Fb = Fdown - F up
The Attempt at a Solution
idk how to start on this one, i noe there's a Fup which P*A but the area is not given. =[ and neither is the heights and stuff so how am i sppose to find the bouyant force? and also for part ( b) is it simply just the mass of the beaker+ mass of water * g? since the fluid displaces is the same as the volumn of the mass