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September 20, 2014

September 20, 2014

Posted by **Taylor** on Tuesday, January 15, 2013 at 8:30pm.

Part 1 An 11.6 kg block of metal is suspended from a

scale and immersed in water as in the ﬁgure.

The dimensions of the block are 12.9 cm ×

9.7 cm × 9.7 cm. The 12.9 cm dimension is

vertical, and the top of the block is 5.07 cm

below the surface of the water.

b

T2

Mg

B

What is the force exerted by the water on the top of the block? (Take P0 =

1.013 × 10

5

Pa .) The acceleration of gravity

is 9.8 m/s

2

.

Answer in units of N

Part 2

What is the force exerted by the water on the

bottom of the block?

Answer in units of N

Part 3

What is the reading of the spring scale?

Answer in units of N

Part 4

What is the buoyant force?

Answer in units of N

- AP Physics B -
**bobpursley**, Tuesday, January 15, 2013 at 8:35pmThe force at any point is pressure*area

pressure=heightwater*densitywater*g

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