Exam 7: Length and Length-Related Variables in Engineering

Which of the following coordinate systems is most common?

Length is one of the seven fundamental dimensions.

A 50 kg woman wearing high heels balances on one heel. If the heel is circular and has a diameter of 1cm , what pressure does she exert on the floor? (Express your answer in KPa). ________ KPa

How many millimeters are there in one meter? a. $10 ^ { 2 }$ b. $10 ^ { 3 }$ c. $10 ^ { - 2 }$ d. $10 ^ { - 3 }$

While changing oil in your motorcycle you notice that you need 2 quarts and 6 ounces of oil, but you're using a metric graduated cylinder to measure the oil. How many milliliters of oil do you need? ________ ml

The second moment of area provides information about an object's

A certain unsharpened cylindrical #2 pencil is ½ centimeter in diameter and 25 centimeters long. What is the pencil's surface area? a. $.3 \mathrm {~cm} ^ { 2 }$ b. $77 \mathrm {~cm} ^ { 2 }$ c. $8 \mathrm {~cm} ^ { 2 }$ d. $40 \mathrm {~cm} ^ { 2 }$

A rubber ball has a diameter of eight centimeters. What is its surface area? a. $88 \mathrm {~cm} ^ { 2 }$ b. $100 \mathrm {~cm} ^ { 2 }$ c. $200 \mathrm {~cm} ^ { 2 }$ d. $50 \mathrm {~cm} ^ { 2 }$

A car travels 560km while consuming 60 liters of petrol (gasoline). What is the car's gas mileage in mpg?

There are 100 Hectares in a square kilometer. How many square kilometers are there in 12.5 Hectares? a. $1 / 16$ b. $1 / 8$ c. $1 / 4$ d. $1 / 2$