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Question 4A: A cylinder of height 10 cm and cross-sectional area 15 cm 2 is held upright a depth of 10 meters in a freshwater lake. A: What is the

Question 4A:

A cylinder of height 10 cm and cross-sectional area 15 cm2 is held upright a depth of 10 meters in a freshwater lake.

A: What is the bouyant force in N on the cylinder?

Question 4B:

A cylinder of height 10 cm and cross-sectional area 15 cm2 is held upright a depth of 10 meters in a freshwater lake.

B: What would the bouyant force in N on the cylinder change be if the cylinder were raised to a depth of 5 meters?

Question 5:

In a hydraulic lift, an air compressor supplies a pressure of 40 psi to a reservoir. If the piston for the lifting platform has an area of 30 in2, what is the maximum weight in pounds that can be lifted by the compressor supplying 40 psi?

Question 6A:

In a hydraulic lift where the input piston from the air compressor has an area of 0.5 in2and where the output piston for the lifting platform has an area of 30 in2, answer the following questions:

A: What is the mechanical advantage of this hydraulic lift?

Question 6B:

In a hydraulic lift where the input piston from the air compressor has an area of 0.5 in2and where the output piston for the lifting platform has an area of 30 in2, answer the following questions:

B: In order to lift a 3,200 lbs car, how much force in lbs must be put on the small piston

Question 6C:

In a hydraulic lift where the input piston from the air compressor has an area of 0.5 in2and where the output piston for the lifting platform has an area of 30 in2, answer the following questions:

C: In order to lift a 3,200 lbs car, how much pressure in psi would an air compressor need to supply to this hydraulic lift?