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horsena [70]
3 years ago
8

Based on Archimedes' principle, we know that if an object displaces a given weight of water, then the object is being buoyed up

by an equal amount of force.
true or false?
Physics
2 answers:
Virty [35]3 years ago
8 0
True. If the amount displaced is more than the mass, it floats. If the amount is less than the mass, it will sink.
user100 [1]3 years ago
7 0

Answer:

The answer is True.

Explanation:

According to the Archimedes' principle, the buoyant force is equal to the submerged volume multiplied by the density of the displaced liquid; This happens because when the body is submerged, the fluid will exert an equal and opposite direction force, due to the change in pressure.

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Answer:

a)  a = - 0.106 m/s^2  (←)

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Explanation:

If

F₁ = 9*1350 N = 12150 N   (→)

F₂ = 9*1365 N = 12285 N  (←)

∑Fx = M*a = (M₁  +M₂)*a           (→)

F₁ - F₂ = (M₁  +M₂)*a        

→       a = (F₁ - F₂) / (M₁  +M₂ ) = (12150-12285)N/(9*68+9*73)Kg

→       a = - 0.106 m/s^2            (←)

(b) What is the tension in the section of rope between the teams?

If we apply  ∑Fx = M*a   for the team 1

F₁ - T = - M₁*a  ⇒   T = F₁ + M₁*a  

⇒   T = 12150 N + (9 * 68 Kg)*(0.106 m/s^2)

⇒ T = 12215.1064 N

If we choose the team 2 we get

- F₂ + T = - M₂*a  ⇒   T = F₂ - M₂*a  

⇒   T = 12285 N - (9 * 73 Kg)*(0.106 m/s^2)

⇒ T = 12215.1064 N

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