Unit Conversion Quiz

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Questions and Answers

How many centimeters are in one meter?

100 cm (correct)

10 cm

10000 cm

1000 cm

What is the equivalent of 1 mile in meters?

1590 meters

1610 meters

1609 meters (correct)

1600 meters

How many inches are there in 1 foot?

16 inches

14 inches

12 inches (correct)

10 inches

When converting speed, how many meters per second is equivalent to 1 foot per second?

0.3048 m/s Signup and view all the answers

What is the volume of 1 cubic foot in liters?

28.32 L Signup and view all the answers

How many calories are there in 1 Btu?

252 cal Signup and view all the answers

If a boat travels at 1 knot, what is its speed in miles per hour?

1.151 mi/h Signup and view all the answers

What is the conversion factor from pounds to kilograms?

2.205 lb = 1 kg Signup and view all the answers

Which unit is equivalent to one atmosphere in pressure?

14.7 psi Signup and view all the answers

How many milliliters are in one US fluid ounce?

29.57 ml Signup and view all the answers

What is the mass of one US gallon of water in pounds?

8.34 lb Signup and view all the answers

If a temperature conversion from Fahrenheit to Celsius is done, which formula is used?

°C = 9(°F − 32)/5 Signup and view all the answers

What is the relationship between pounds and grams?

1 lb = 454 g Signup and view all the answers

What is the equivalent of one bar in atmospheric pressure?

0.9869 atm Signup and view all the answers

Which conversion is correct for length?

1 mile = 1.60 kilometers Signup and view all the answers

How many watts are in one kilowatt-hour?

3600 W Signup and view all the answers

What is the relationship between force and mass according to Newton's second law?

F = ma Signup and view all the answers

Which of the following formulas can be used to calculate distance when acceleration is involved?

s = v0t + ½ at^2 Signup and view all the answers

What does the coefficient of friction represent in the context of forces?

The maximum frictional force divided by the normal force Signup and view all the answers

In a right-skewed distribution, how do the mean, median, and mode relate to each other?

Mode < Median < Mean Signup and view all the answers

What is the correct calculation for work done (W) given force (F) and distance (S)?

W = F * S Signup and view all the answers

What is the correct formula to calculate the volume of a cylinder?

V = πr^2h Signup and view all the answers

Which of the following is the correct conversion from degrees Celsius to Kelvin?

K = C + 273 Signup and view all the answers

What is the area of a triangle given a base of 10 units and a height of 5 units?

25 square units Signup and view all the answers

Which of the following relationships correctly describes the conversion of calorie to Joule?

1 calorie = 4.186 Joule Signup and view all the answers

What is the equation for kinetic energy?

K.E. = ½ mv^2 Signup and view all the answers

Which of the following represents the correct formula for calculating the area of a circle?

Area = πr^2 Signup and view all the answers

What is the density of water in slugs per cubic foot?

1.94 slugs/ft³ Signup and view all the answers

What does Avogadro’s number represent?

6.022 x 10^23 molecules in a mole Signup and view all the answers

Which of the following formulas calculates the area of a rectangle?

Area = length × width Signup and view all the answers

Which is the correct equivalent for 1 Joule in terms of kilograms, meters, and seconds?

1 Joule = 1 kg · m^2/s^2 Signup and view all the answers

What is the formula for calculating potential energy?

P.E. = mgh Signup and view all the answers

If a spring has a spring constant of 200 N/m and is compressed by 0.5 meters, what is the elastic potential energy stored in the spring?

50 J Signup and view all the answers

What is the gravitational acceleration constant used in potential energy calculations?

9.8 m/s² Signup and view all the answers

In Hooke's Law, what does the variable 'k' represent?

Spring constant Signup and view all the answers

Which of these describes frictional force appropriately?

Frictional force opposes the motion of an object. Signup and view all the answers

To calculate the frictional force acting on a 40-kg block on a surface with a coefficient of friction of 0.6, what is the correct formula?

F = 40 × 9.8 × 0.6 Signup and view all the answers

What happens to the elastic potential energy stored in a spring when it is at its equilibrium position?

It is zero. Signup and view all the answers

If an object's mass is doubled while its speed remains constant, how does this affect its kinetic energy?

The kinetic energy doubles. Signup and view all the answers

Which of the following correctly defines tension force?

Force that results from stretching a material. Signup and view all the answers

Study Notes

Conversions

1 meter = 100 centimeters
1 meter = 1000 millimeters
1 meter = 1,000,000 microns
1 kilometer = 1000 meters
1 mile = 5280 feet
1 mile = 1609 meters
1 mile/hour = 1.47 feet/second
1 inch = 2.54 centimeters
1 foot = 30.48 centimeters
1 meter = 3.28 feet
1 foot = 12 inches

Length

2.54 cm = 1 inch
25.4 mm = 1 inch
12 inches = 1 foot

Energy

1 calorie = 0.003968 British thermal unit (Btu)
1 calorie = 4.187 joules
1 Btu = 252 calories

Velocity

3 feet = 1 yard
5280 feet = 1 mile
1760 yards = 1 mile
1 ft/s = 0.3048 m/s
1.6 kilometers = 1 mile
1 ft/s = 0.8618 mi/h
0.868 nautical miles = 1 US mile
1 ft/s = 0.5921 knots
0.4470 m/s = 1 mi/h
1.467 ft/s = 1 mi/h
1 knot = 0.5148 m/s
1 knot = 1.151 mi/h
1 knot = 1.689 ft/s

Area

1 sq in = 6.452 sq cm
1 sq in = 6452 sq mm
1 sq ft = 144 sq in
1 sq yd = 9 sq ft
1 sq ft = 0.09290 sq m

Volume

1 cubic centimeter (cm³) = 1 milliliter (mL)
1 cubic inch (in³) = 16.39 cm³
1 cubic foot (ft³) = 1728 in³
1 cubic foot = 0.02832 cubic meters (cu m)
1 liter (L) = 1.057 US quarts
0.9463 L = 1 quart
7.4 US gallons = 1 cubic foot
1 US gallon = 0.8327 imperial gallons

Density

1 lb/cubic ft = 0.01602 cubic cm
1 g/cubic cm = 62.42 lb/cubic ft
1 g/cubic cm = 1000 kg/cubic m
1 kg/cubic m = 0.001 g/cubic cm

Pressure

1 psia = 6.895 kN/m²
1 psia = 0.0680 atm
1 psia = 27.67 in H₂O
1 bar = 14.5 PSI = 0.98 atm = 760 mm Hg = 105 N/m²
1 psia= 51.72 mm Hg
1 psig = ADD 14.7 psia
1 mm Hg (Torr) = 0.01934 psia

Mass and Weight

16 ounces = 1 pound (lb)
1 gram = 1000 milligrams (mg)
2.205 lb = 1 kilogram (kg)
1 US ton = 2000 lb
1 metric ton = 1000 kg
1 dram = 1771.85 mg

Other Conversions

1 British thermal unit (Btu) = 1055 joules (J)
1 faraday = 9.65 x 10⁴ coulombs
1 g-calorie = 4.19 J
1 g-mole at 0°C and 1 atm = 22.4 L

Concentration

1 ppm = 1 mg/L
1 mg/m³ = 1 x 10-⁹ g/cm³
1 g/cm³ = 1 x 10⁹ mg/m³
1 g/m³ = 62.42 lb/ft³
1 lb/ft³ = 0.01602 g/cm³

Force, Pressure, or Stress

1 pound-force = 4.45 newtons
1 pound-force/square inch = 6.89 kilopascals

Illumination

1 foot-candle = 10.76 candela/m² = 10.76 lux
1 foot-Lambert = 3.426 lux

Length (additional)

1 inch = 25.4 millimeters
1 foot = 0.305 meters
1 yard = 0.914 meters
1 mile = 1.61 kilometers

Area (additional)

1 square inch = 645.2 square millimeters
1 square foot = 0.093 square meters
1 square yard = 0.836 square meters
1 acre = 0.405 hectares
1 square mile = 2.59 square kilometers

Volume (additional)

1 fluid ounce = 29.57 milliliters
1 gallon = 3.785 liters
1 cubic foot = 0.028 cubic meters
1 cubic yard = 0.765 cubic meters

Mass (additional)

1 ounce = 28.35 grams
1 pound = 0.454 kilograms

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Description

Test your knowledge on various unit conversions including length, volume, and temperature. This quiz covers questions about metric and imperial systems and how to convert between different units. Perfect for students learning about measurements and conversions in science and math.