Physics 221 Worksheet: Chapter 10, Fluids

1) A manometer is a device used to measure

a) density.

b) pressure.

c) energy.

d) buoyancy.

2) A piece of wood floats in liquid A, but sinks in liquid B.

a) The density of liquid A is greater than the density of liquid B.

b) The density of liquid A is less than the density of liquid B.

c) The density of liquid A is less than the density of the wood.

d) The density of liquid B is greater than the density of the wood

3) To change from gauge pressure to absolute pressure

a) add atmospheric pressure.

b) subtract atmospheric pressure.

c) multiply by g.

d) divide by g.

4) The ratio of the density of an object to the density of water is called

a) buoyancy.

b) pressure.

c) modulus

d) specific gravity.

5) When an object is completely submerged in a fluid

a) the mass of the object equals the mass of fluid displaced.

b) the volume of the object equals the volume of fluid displaced.

c) the density of the object equals the density of fluid displaced.

6) When an object is floating in a fluid

a) the mass of the object equals the mass of fluid displaced.

b) the volume of the object equals the volume of fluid displaced.

c) the density of the object equals the density of fluid displaced.

7) When pressure is applied to a confined liquid

a) the same pressure appears everywhere in the liquid.

b) the same force appears everywhere in the liquid.

c) the liquid will expand.

8) A toy boat containing a metal washer floats in a bathtub. If the washer is taken from inside the boat and tied to the bottom of the boat, the boat will

a) ride higher in the water.

b) ride lower in the water.

c) ride at the same depth in the water

9) A toy boat containing a metal washer floats in a bathtub. If the washer is taken from inside the boat and tied to the bottom of the boat, the water level in the bathtub will

a) rise.

b) fall.

c) remain the same.

Ans: 1-a, 2-a,  3-a,  4-d, 5-b, 6-a, 7-a, 8-a, 9-c