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Unit 2 Review

Quiz by Mrs. B

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73 questions
Show answers
  • Q1
    What is the main difference between speed and velocity?
    Velocity is always faster than speed.
    Speed includes mass, while velocity does not.
    Speed measures time, while velocity measures distance.
    Velocity includes direction, while speed does not.
    30s
  • Q2
    If a car travels 150 kilometers in 3 hours heading east, what is its average velocity?
    50 km/h east
    450 km/h east
    150 km/h
    50 km/h
    30s
  • Q3
    If two cars are moving at the same speed but in opposite directions, which of the following statements is true about their velocities?
    They have the same velocities.
    They have the same speed and velocity.
    Their velocities add up to zero.
    They have different velocities.
    30s
  • Q4
    An object moves 20 meters north and then 20 meters south in 10 seconds. What is its average velocity?
    0 m/s
    2 m/s south
    2 m/s north
    4 m/s
    30s
  • Q5
    If a train travels 100 kilometers east in 2 hours, what is its average speed?
    50 km/h
    200 km/h
    25 km/h
    100 km/h
    30s
  • Q6
    Which of the following best describes the difference between speed and acceleration?
    Speed is how fast an object is moving, while acceleration is how quickly it changes its speed.
    Speed is distance over time; acceleration is the same.
    Speed and acceleration are exactly the same.
    Speed measures direction; acceleration measures time.
    30s
  • Q7
    If a car is traveling at a constant speed, what is its acceleration?
    Equal to the speed
    Decreasing
    Increasing
    Zero
    30s
  • Q8
    Which scenario best illustrates acceleration?
    A person walks at a constant pace.
    A car travels at a steady speed down the highway.
    A bike speeds up from a complete stop.
    A train moves slowly through a station.
    30s
  • Q9
    What does it mean when a car has a negative acceleration?
    The car is moving in reverse.
    The car is speeding up.
    The car is slowing down.
    The car is moving at a constant speed.
    30s
  • Q10
    Which unit is used to measure acceleration?
    Miles per hour (mph)
    Meters per second squared (m/s²)
    Meters per second (m/s)
    Kilometers per hour (km/h)
    30s
  • Q11
    If a runner accelerates from 3 m/s to 7 m/s in 4 seconds, what is their acceleration?
    1 m/s²
    2 m/s²
    0.5 m/s²
    4 m/s²
    30s
  • Q12
    Which of the following statements about speed and acceleration is true?
    A change in speed automatically means acceleration is positive.
    Speed and acceleration always increase together.
    Acceleration cannot happen if an object is moving fast.
    Acceleration can occur even when speed is constant.
    30s
  • Q13
    What would happen to the acceleration of an object if a constant force is applied and its mass is doubled?
    The acceleration would double.
    The acceleration would remain the same.
    The acceleration would change to zero.
    The acceleration would be halved.
    30s
  • Q14
    What happens to the acceleration of an object if the net force acting on it is zero?
    The acceleration decreases.
    The acceleration is zero.
    The acceleration is constant but not zero.
    The acceleration increases.
    30s
  • Q15
    If an object is moving at a constant speed in a circular path, what can we say about its acceleration?
    The object is decelerating because it will eventually stop.
    The object is accelerating because its speed is increasing.
    The object is not accelerating because its speed is constant.
    The object is accelerating because its direction is changing.
    30s

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