Units
Fundamental Dimensions
Definitions
Let's think about it
Think you can remember it?
100

Radians and strain represent the ratio of two _________.

lengths

100

Area is derived from this fundamental dimension.

Length

100

If you were to measure a 2 x 4, you would find the actual dimensions to be 1.5 x 3.5.  What is the "2 x 4" designation referred to?

Nominal size

100

The reason we orient I-beams a certain way is because it has a higher _______________ when we do .

Area moment of inertia

100

The reason crushed ice cools faster than cubed ice is because of the exposed _______________.

Surface area

200

The unit of Period, T, is

seconds

200

This fundamental dimension has the same unit across all three systems of units.

Time

200

The force that a fluid exerts on a submerged object

Buoyant Force

200

Using a stopwatch and a measuring cup, you could measure this of a drinking fountain.

Volumetric flow rate
200

In engineering, the problems is said to be __________ when the value of a physical quantity under investigation does not change over time.

steady

300

1/second

Hz

300

This fundamental dimension is part of mass flow rate, momentum, kinetic energy, density, and specific volume.

mass

300

The rate at which water enters a control volume minus the rate at which water leaves the control volume is 

the rate of accumulation or depletion

300

What unit of angular speed must you use when performing calculations.

rad/sec

300

What department on campus would you go to to have your resume reviewed?

STEM professional services

400

Although they are not the same, the unit for work and moment have the same units of

Nm (Newton meter)

400

This fundamental dimension has units based both on arbitrary and absolute scales.

Temperature

400

This is the inverse of density, volume/mass, and is commonly used in the study of thermodynamics

specific volume

400

Mass flow rate and volume flow rate can be related through what other variable?

density

400

To locate a car on a trip, the average speed would not be sufficient.  You would need the ___________ speed.

Instantaneous 

500

The coefficient of static friction has units of

unitless

500

Coordinate systems are examples of an application where length plays an important role.  The most common coordinate system is

rectangular or cartesian

500
A physical variable that is defined as the product of mass and velocity

momentum

500
Unlike SI and BG systems, the relationship between pound force and pound mass is not defined using __________.

Newton's second law or F=ma

500

For a closed system of pipes running at full capacity, the _________ remains constant even if the diameter of pipes change.

Volumetric flow rate