Fluid Mechanics Quiz

According to Pascal, pressure applied to a fluid __.

• increases as it moves through the fluid

• is transmitted unchanged throughout the fluid

• decreases as it moves through the fluid

• fluctuates as it is transmitted throughout the fluid

__ is the energy an object has due to its motion.

• Kinetic energy

• Heat of fusion

• Thermal energy

• Heat of vaporization

• Potential energy

When the temperature of a substance is lowered, its particles __.

• stop vibrating completely

• escape the attractive forces of the other particles

• vibrate more slowly

• vibrate more quickly

The SI unit of pressure is __.

• Boyle

• Bernoulli

• Charles

• Pascal

Which of the following best describes particles in a solid?

• Molecules slide past each other; sample takes shape of container. Fills whatever container it is in.

• Particles tightly packed together.

• No attractive forces between particles.

What causes a balloon to remain inflated?

• Temp of the balloon changes

• The material of the balloon

• oxygen exits through the walls of the balloon

• particles colliding inside the balloon

An object weighing 50 N is floating in a fluid. What is the buoyant force of the fluid on the object?

• Not enough information

• 50 N

• more than 50 N

• less than 50 N

Water at 108 °C and 1 atm is found in which state of matter?

• plasma

• liquid

• solid

• gas

In which state of matter are the particles likely to be closest together?

• plasma

• liquid

• gas

• solid

At a constant temperature, an increase in pressure of a gas causes the volume to __.

• decrease

• remain the same

• increase or decrease depending on the gas

• increase