1 A) Gravity B) Mass C) Weight D) Pressure 2 A) whether gravity acts on the object in the fluid B) whether a buoyant force acts on the object C) the direction of the buoyant force on the object D) whether the buoyant force is larger than the object's weight 3 A) buoyant force B) density C) viscosity D) lift 4 A) increases, increases B) decreases, decreases C) increases, decreases D) decreases, increases 5 A) > 50 kg B) < 50 kg C) Not enough information is given. D) 50 kg 6 A) The buoyant force on a submerged object is the same at any depth. B) at the surface C) on the ocean floor D) at sea level 7 A) pressure = area/force B) pressure = mass/acceleration C) pressure = force/area D) P1 = P2 8 A) the force that is applied and the density of the surface B) the area over which a force is applied and the mass of the object applying the pressure C) the force and the area over which it is applied D) the force and the weight of the object 9 A) increases, increases B) decreases, increases C) increases, decreases D) The pressure exerted by a fluid on a surface is unaffected by the height of the fluid. 10 A) gas B) fluid C) liquid D) plasma 11 A) pure oxygen B) water C) steam D) ice 12 A) The pressure is equal on all sides of a cube. B) on the bottom C) on the sides D) on the top 13 A) barometer B) thermometer C) odometer D) galvanometer 14 A) increases as it moves through the fluid B) fluctuates as it is transmitted throughout the fluid C) decreases as it moves through the fluid D) is transmitted unchanged throughout the fluid 15 A) upward B) parallel to the vertical surfaces, perpendicular to the horizontal surfaces C) downward D) perpendicular to all surfaces of the object 16 A) If the same force is used, the pressure exerted on the objects is the same. B) The pressure applied to object A is equal to the square of the pressure applied to object B. C) The pressure exerted on object B is twice as great as the pressure exerted on object A. D) The pressure exerted on object A is twice as great as the pressure exerted on object B. 17 A) compound machine B) simple machine C) wheel and axle D) hydraulic system 18 A) 1,000 Pa B) 10,000 Pa C) 100 Pa D) 100,000 Pa 19 A) Air pressure is greater below the wings, creating lift. B) Air pressure is greater on the top of the wings, creating lift. C) The air pressure on top of the wing is equal and opposite to the air pressure on the bottom, creating a balanced upward force. D) The backward force exerted by an engine creates an equal and opposite push, resulting in lift. 20 A) the buoyant force on an object is greater than the weight of the fluid it displaces B) the buoyant force on an object is equal to the weight of the fluid it displaces C) when the speed of a fluid increases, the pressure exerted by the fluid decreases D) pressure applied to a fluid is transmitted unchanged throughout the fluid
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