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Physics

Quiz by Agnese Ugolini

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21 questions
Show answers
  • Q1
    Which of the following is a unit of power?
    Ohm
    Volts
    Watt
    Joule
    30s
  • Q2
    What is the unit of velocity?
    m/s
    m/min
    km/h
    cm/s
    30s
  • Q3
    What is the average velocity of an object with a constant velocity?
    Negative
    Zero
    Positive
    Cannot be determined
    30s
  • Q4
    A runner completes a 400-meter race in 50 seconds. What is the runner's average velocity?
    12 m/s
    8 m/s
    10 m/s
    6 m/s
    30s
  • Q5
    Which of the following is a unit of acceleration?
    cm/s
    km/h
    m/s²
    m/s
    30s
  • Q6
    Which of the following is a measure of acceleration?
    m/s⁴
    m/s²
    m/s³
    m/s
    30s
  • Q7
    Which of the following is NOT a factor affecting acceleration?
    Force
    Time
    Friction
    Mass
    30s
  • Q8
    Which of the following is a characteristic of positive acceleration?
    Decreasing velocity
    Increasing velocity
    Zero velocity
    Constant velocity
    30s
  • Q9
    What is the formula to calculate acceleration?
    a = vf / vi
    a = vi / t
    a = (vf - vi) / t
    a = vf * t
    30s
  • Q10
    What is the mathematical formula representing Hooke's law?
    F = -kx
    E = mc^2
    F = mx + b
    A = πr^2
    30s
  • Q11
    What is the unit of spring constant in Hooke's law?
    Newton per meter (N/m)
    Meter per second (m/s)
    Joule per second (J/s)
    Kilogram per cubic meter (kg/m^3)
    30s
  • Q12
    Which scientist is credited with discovering Hooke's law?
    Marie Curie
    Robert Hooke
    Isaac Newton
    Albert Einstein
    30s
  • Q13
    What is the elastic force?
    A force exerted by magnetism
    A force exerted by a material when it is stretched or compressed
    A force exerted by gravity
    A force exerted by friction
    30s
  • Q14
    What is the spring constant?
    The mass of a spring
    The length of a spring
    A measure of the stiffness of a spring
    The maximum displacement of a spring
    30s
  • Q15
    Which equation represents uniformly accelerated motion?
    v = us + at
    v = u + at^2
    v = u + as
    v = u + at
    30s

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