2330571
Descripción
Test por julia.s.mulroone, actualizado hace más de 1 año
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Creado por julia.s.mulroone
hace alrededor de 9 años
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Pregunta 1
Pregunta
What is the equation linking force, acceleration and mass?
Respuesta
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mass = acceleration + force
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force = mass ÷ acceleration
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force = mass x acceleration
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acceleration = force x mass^2
Pregunta 2
Pregunta
Boyle's Law states that pressure and volume are directly proportional.
Respuesta
- True
- False
Pregunta 3
Pregunta
Which of the following are scalar quantities?
Respuesta
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Speed
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Displacement
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Force
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Energy
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Time
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Velocity
Pregunta 4
Pregunta
Pressure = force ÷ area
Respuesta
- True
- False
Pregunta 5
Pregunta
Which is the best definition for density?
Respuesta
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How heavy a material is.
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The amount of matter present per unit area.
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How closely packed the particles of a material are.
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The amount of matter present per unit volume.
Pregunta 6
Pregunta
What does the Gay-Lussac Law state?
Respuesta
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Pressure and temperature in gases are directly and positively related.
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Pressure and volume in gases are directly and positively related.
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Pressure and temperature in gases are inversely related.
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Pressure and volume in gases are negatively related.
Pregunta 7
Pregunta
Which electrical component does this symbol represent?
Respuesta
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Variable resistor
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Diode
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Thermistor
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LDR
Pregunta 8
Pregunta
In a parallel circuit, adding resistors decreases the total resistance of the circuit.
Respuesta
- True
- False
Pregunta 9
Pregunta
What does the area beneath the line on a velocity-time graph represent?
Respuesta
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Velocity
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Distance
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Direction
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Nothing
Pregunta 10
Pregunta
What is the difference between vectors and scalars?
Respuesta
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Vectors have magnitude and direction, scalars only have magnitude.
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Scalars have magnitude and direction, vectors only have magnitude.
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Vectors have magnitude and direction, scalars only have direction.
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There is no difference.
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