Measurement Conversions Quiz
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Questions and Answers

What is the work done by a force of 140 N acting at an angle of 30° along a displacement of 3 m?

  • 363.7 J (correct)
  • 390.0 J
  • 245.0 J
  • 121.0 J

    • In terms of central tendency, what is the relationship between mean, median, and mode in a right-skewed distribution?

  • Mean = Median = Mode
  • Mode < Median < Mean (correct)
  • Median < Mean < Mode
  • Mean < Median < Mode

    • If the mass of an object is 10 kg and the acceleration is acceleration is 2 m/s², what is the force acting on the object?

  • 80 N
  • 20 N (correct)
  • 98 N
  • 10 N

    • What is the coefficient of friction if the normal force is 400 N and the frictional force is calculated to be 140 N?

    <p>0.35</p> Signup and view all the answers

    Given the equation for momentum, ρ = mv, if the mass is doubled and the velocity remains constant, what happens to the momentum?

    <p>It doubles.</p> Signup and view all the answers

    Which of the following is equivalent to 1 ton (US) in pounds?

    <p>2000 lb</p> Signup and view all the answers

    What is the pressure in psi for 1 bar?

    <p>14.5 PSI</p> Signup and view all the answers

    How many milliliters are in 1 fluid ounce?

    <p>29.57 ml</p> Signup and view all the answers

    What temperature in Celsius is equivalent to 32°F?

    <p>0°C</p> Signup and view all the answers

    If a concentration is given as 1 ppm, what is this in terms of mass per liter?

    <p>1 mg/L</p> Signup and view all the answers

    Which of the following is the correct conversion of 1 kg to pounds?

    <p>2.2 lb</p> Signup and view all the answers

    What is the volume equivalence of 1 m³ in liters?

    <p>1000 L</p> Signup and view all the answers

    Which of the following expresses the relation between Celsius and Kelvin?

    <p>K = °C + 273.15</p> Signup and view all the answers

    What is the equivalent of 1 Btu in joules?

    <p>1055 J</p> Signup and view all the answers

    What is the equivalent of 3 miles in feet?

    <p>15840 feet</p> Signup and view all the answers

    If a vehicle travels at 30 miles per hour, what is its speed in feet per second?

    <p>44 ft/s</p> Signup and view all the answers

    Which of the following is the correct relationship between inches and centimeters?

    <p>1 inch = 2.54 cm</p> Signup and view all the answers

    What is the volume in cubic meters of 32.5 cubic feet?

    <p>0.921 m^3</p> Signup and view all the answers

    How many microns are in 2 meters?

    <p>2,000,000 microns</p> Signup and view all the answers

    What is the pressure in atmospheres equivalent to 20 psia?

    <p>1.45 atm</p> Signup and view all the answers

    What is the area in square meters of 100 square feet?

    <p>9.2903 m^2</p> Signup and view all the answers

    What is the correct formula to convert Fahrenheit to Celsius?

    <p>Tc = (Tf - 32) * 1.8</p> Signup and view all the answers

    Which unit is equivalent to 1 calorie?

    <p>4.186 Joules</p> Signup and view all the answers

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

    <p>V = πr2h</p> Signup and view all the answers

    How many newtons are equivalent to 1 kilogram?

    <p>9.81 N</p> Signup and view all the answers

    What is the area formula for a triangle?

    <p>Area = (1/2)bh</p> Signup and view all the answers

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

    <p>1.94 slugs/ft3</p> Signup and view all the answers

    Which formula accurately represents kinetic energy?

    <p>K.E. = ½ mv2</p> Signup and view all the answers

    What unit is equivalent to 1 BTU?

    <p>1055 Joules</p> Signup and view all the answers

    What is Avogadro's number?

    <p>6.022 x 10^23</p> Signup and view all the answers

    What is the formula for calculating Potential Energy?

    <p>P.E. = mgh</p> Signup and view all the answers

    Which of the following correctly defines the units of Kinetic Energy?

    <p>Joules</p> Signup and view all the answers

    What does Hooke's law indicate about a spring at its equilibrium position?

    <p>The spring has no stored elastic potential energy.</p> Signup and view all the answers

    If a 40-kg block of wood is sitting on a cement floor with a coefficient of friction of 0.6, what is the force of friction acting on the block?

    <p>196 N</p> Signup and view all the answers

    What is the correct relationship between mass, speed and kinetic energy?

    <p>K.E. = ½ mv^2</p> Signup and view all the answers

    Which of the following statements is true about frictional force?

    <p>Frictional force depends on the coefficient of friction and normal force.</p> Signup and view all the answers

    What unit is used to express the spring constant in the formula for elastic potential energy?

    <p>Newtons per meter</p> Signup and view all the answers

    What happens to the elastic potential energy of a spring when it is stretched by an amount 'x'?

    <p>It increases quadratically with the amount of stretch.</p> Signup and view all the answers

    Which variable does NOT affect the gravitational potential energy of an object?

    <p>Time in motion</p> Signup and view all the answers

    Study Notes

    Conversions

    • 1 m = 100 cm
    • 1 m = 1000 mm
    • 1 m = 1,000,000 microns
    • 1 km = 1000 m
    • 1 mile = 5280 feet
    • 1 mile = 1609 meters
    • 1 mile/hour = 1.47 ft/second
    • 1 inch = 2.54 cm
    • 1 foot = 30.48 cm
    • 1 meter = 3.281 feet
    • 1 foot = 12 inches

    Length

    • 2.54 cm = 1 inch
    • 25.4 mm = 1 inch
    • 12 inches = 1 foot
    • 3 feet = 1 yard
    • 5280 feet = 1 mile
    • 1760 yards = 1 mile

    Energy

    • 1 cal = 0.003968 Btu
    • 1 cal = 4.187 J
    • 1 Btu = 252 cal

    Velocity

    • 1 ft/s = 0.3048 m/s
    • 1 ft/s = 0.868 mi/h
    • 1.6 km = 1 mile
    • 1 ft/s = 0.5921 knots
    • 1 m/s = 3.281 ft/s
    • 1 mi/h = 0.4470 m/s
    • 1 mi/h = 1.467 ft/s
    • 1 knot = 0.5148 m/s
    • 1 knot = 1.151 mi/h

    Area

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

    Volume

    • 1 cm³ = 1 mL
    • 1 in³ = 16.39 cm³
    • 1 ft³ = 1728 in³
    • 1 cu. ft = 0.02832 cu. m
    • 1 L = 1.057 quarts (US)
    • 0.9463 L = 1 quart
    • 7.4 US gallon = 1 ft³
    • 1 US gallon = 0.8327 Imperial gallons

    Density

    • 1 lb/cu. ft = 0.01602 cu. cm
    • 1 g/cu. cm = 62.42 lb/cu. ft
    • 1 g/cu. cm = 1000 kg/cu. m
    • 1 kg/cu. m = 0.001 g/cu. 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=105N/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 (oz) = 1 lb
    • 1 g = 1000 mg
    • 2.2 lb = 1 kg
    • 1 ton (US) = 2000 lb
    • 1 tonne (Metric ton) = 1000 kg
    • 1 dram = 1771.85 mg

    Concentration

    • 1 ppm = 1 mg/L
    • 1 mg/m³=1×10⁻⁹ g/cm³
    • 1 g/cm³ = 1 × 10⁹ mg/m³
    • 1 g/m³ = 62.42 lb/ft³
    • 1 lb/ft³ = 0.01602 g/cm³

    Force, Pressure, or Stress

    • 1 lbf = 4.45 N
    • 1 lbf/in² = 6.89 kPa

    Illumination

    • 1 foot-candle = 10.76 candela/m² = 10.76 lux
    • 1 foot-lambert = 3.426 lux

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    Description

    Test your knowledge of various measurement conversions including length, area, volume, energy, and velocity. This quiz covers essential conversion factors for both metric and imperial systems. Enhance your understanding of how different units relate to each other.

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