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SPH4C Kinematics

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    SPH4C Kinematics
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  • What is the difference between distance, position, and displacement?
    Distance - total amount travelled, position - distance from a reference point (w/ direction), displacement - change in position
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  • What is the difference between speed and velocity?
    Velocity is vector, speed scalar
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  • What is the net force is a box is being pushed with a force of 12 N [E] and force of friction is 10 N
    2 N [E]
  •  15
  • What is the net force of something with constant velocity
    0 N - something at rest or something with constant velocity (no acceleration)
  •  15
  • Liam ran 20 km east, 20 km west, and then 5 km south all in 1 hour. What is his speed?
    45 km/h
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  • Liam ran 20 km east, 20 km west, and then 5 km south all in 1 hour. What is his velocity?
    5 km/h [S]
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  • A negative acceleration represents...
    Slowing down or deceleration
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  • The slope of a distance time graph gives what value?
    Speed
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  • The slope of a displacement time graph gives what value?
    Velocity
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  • The ---------------------- (steeper/flatter) the slope of a distance time graph, the faster the object.
    Steeper (flatter means slower)
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  • What does a flat line on a distance-time graph represent
    Object at rest
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  • What does a flat line on a speed-time graph represent in terms of acceleration.
    No acceleration, object experiencing constant speed.
  •  15
  • Convert 15 kg to weight.
    147 N
  •  15
  • Convert 200 N to kg.
    20.4 kg
  •  15
  • What changes depending on gravity: weight or mass
    weight
  •  15
  • Explain why a truck requires more time and more force to brake than a car?
    Can talk about Newton's first or second law
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