2-33. Who is the formulator of the basic
laws of modern philosophy concerning
gravity and motion?
1. Sir Isaac Newton
2. Blaise Pascal
3. George Simon Ohm
4. Jacques Bernoulli
2-34. What does Newton’s third law state?
1. For every action there is an equal
and opposite reaction
2. An imbalance of force on a body
tends to produce an acceleration in
the direction of force
3. A body in motion tends to remain in
motion
4. Work is done when an object is
moved through a distance against a
resisting force
2-35. What term refers to the rate at which
velocity increases?
1. Speed
2. Inertia
3. Acceleration
4. Potential energy
2-36. Frictional forces can cause which of
the following problems?
1. Waste power
2. Create heat
3. Cause wear
4. All of the above
2-37. Mechanical energy in transition is
called
1. heat
2. work
3. motion
4. potential energy
2-38. A sled that is being held at the top
of an icy hill has what form of
energy?
1. Mechanical potential energy
2. Chemical energy
3. Thermal energy
4. Mechanical kinetic energy
2-39. Which of the following formulas is
used to calculate work?
1 . P E = W X D
2 . I = E/R
3 . W = F X D
4 . F = W X D
2-40. In reference to energy, which of the
following statements is true?
1. Energy can be destroyed
2. Energy can be created
3. Energy can be transformed
4. The total amount of energy input
does not always equal the total
amount of energy output
2-41. Steam hotter than the boiling
temperature of water is known by
which of the following terms?
1. Wet steam
2. Superheated steam
3. Saturated steam
4. Latent heat of fusion
2-42. Thermal energy in transition is
called
1. work
2. motion
3. potential energy
4. heat
2-43. What does 32°F equal in Celsius?
1. 0°C
2. 20°C
3. 30°C
4. 32°C
2-44. When the mercury level is at the +10°
mark on the Celsius thermometer, it
will be at what mark on the
Fahrenheit thermometer?
1. +50°
2. +20°
3. +30°
4. +40°
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