Physical Science; Ch. 11 Quiz 1
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Quiz 1 on Ch. 11; Forces in Fluids
Questions and Answers
- 1.If you divide the force exerted on a surface by the total area of the surface, you will know...
- A.
Density
- B.
Pressure
- C.
Lift
- D.
Buoyant Force
- 2.If you divide the mass of an object by its volume, you also know the object's
- A.
Mass
- B.
Weight
- C.
Density
- D.
Pressure
- 3.The weight of an object that floats has the same value as the
- A.
Object's density
- B.
Objects mass
- C.
Object's volume
- D.
Buoyant force
- 4.The concept that an increase in pressure on a confined fluid is transmitted equally to all parts of the fluid is known as
- A.
Pascal's principle
- B.
Bernoulli's principle
- C.
Archimede's principle
- D.
Mr. Thompson's principle
- 5.The concept that the pressure in a fluid decreases as the speed of the fluid increases is known as
- A.
Pascal's principle
- B.
Kidwell's principle
- C.
Archimedes principle
- D.
Bernoulli's principle
- 6.If you stand on one foot you ________ the pressure you exert on the ground.
- 7.Whether an object will float or sink in a liquid depends on the _________ of the object relative to that of the liquid.
- 8.A submerged object is easier to lift due to the ____________ force acting on the object in the upward direction opposing the downward force of gravity.
- 9.A ship is able to float on the ocean due to ______________ principle which states that the buoyant force acting on a submerged object is equal to the weight of the volume of water displaced by the object
- 10.An airplane is able to fly due in part to ________________ principle which states that the faster a fluid moves, the less pressure the fluid exerts.
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