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Force and Motion Unit Study Guide

Quiz by Cheryl McLawhorn

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20 questions
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  • Q1
    An object travels a given distance at a speed of 5 m/s. If the object travels the same distance at a higher speed, how will the faster speed affect the time it takes the object to travel the distance?
    The time will remain constant.
    It will take more time to travel the distance.
    The time will not be affected.
    It will take less time to travel the distance.
    120s
  • Q2
    Steve and Barry are racing each other, and Barry is winning. If Barry is moving faster than Steve, from which reference point is Barry's position increasing through time?
    Question Image
    an observer in front of Steve and Barry
    Steve's reference point
    Barry's reference point
    the finish line
    120s
  • Q3
    The motion of an object can be described by its
    all of these.
    direction.
    position.
    speed.
    120s
  • Q4
    The rate at which an object moves is the object's __________.
    acceleration
    speed
    force
    momentum
    120s
  • Q5
    A ball is dropped from a tower. From whose reference point is the ball approaching the observer?
    a person on the ground driving rapidly away from the tower.
    a person in an airplane flying above the tower
    a person standing on the ground beneath the tower
    a person standing on top of the tower
    120s
  • Q6
    _______ can be generally defined as a change in position.
    Force
    Motion
    Volume
    Mass
    120s
  • Q7
    It is 10:00 in the morning, and Wendy is late for school. She is currently running north at a speed of 5 meters per second and is 2 miles south of her school. Which of the following best describes Wendy's current position?
    2 miles south of her school
    running north
    running at a speed of 5 meters per second
    10:00 in the morning
    120s
  • Q8
    The motion of an object is described by the graph below. The object is moving at a _______ speed, and the forces acting on it are _______.
    Question Image
    changing; balanced
    constant; unbalanced
    changing; unbalanced
    constant; balanced
    120s
  • Q9
    _______ measures an object's change in position per unit time.
    Distance
    Force
    Acceleration
    Speed
    120s
  • Q10
    Chip and Don are racing in go-karts. Chip is directly behind Don as they reach the straightaway. Both drivers are going the top speed of 25 mph. If Chip is the reference point, which statement correctly describes Don's motion relative to Chip?
    Question Image
    Don is not moving.
    Don is speeding up.
    Don is moving at 25 mph
    Don is slowing down.
    120s
  • Q11
    Gina is driving her car down the street. She has a teddy bear sitting on the back seat. A dog runs in front of Gina's car, so she quickly applies the brakes. The force of the brakes causes the car to stop, but the teddy bear continues to move forward until it hits the car's dashboard. The teddy bear did not stop at the same time as the car because
    objects in motion can only be stopped by the application of a balanced force.
    objects in motion tend to stay in motion unless acted upon by an outside force.
    only objects touching the Earth's surface can be acted upon by an outside force.
    more force is required to stop softer objects than to stop harder objects.
    120s
  • Q12
    If an object is moving at a constant speed in one direction, what is needed to change its speed or direction?
    a long period of time
    an unbalanced force
    a balanced force
    a short period of time
    120s
  • Q13
    Which of these shows unbalanced forces at work on an object?
    a bicycle chained to a bike rack at school
    an ice skater turning as he skates around an ice rink
    a car driving at a constant 25 miles per hour on a straight street
    a water skier pulled by a boat at a constant 30 mph
    120s
  • Q14
    A cart is rolling across the floor at a constant velocity of 2 m/s to the right. The cart is pushed again to the right, and it starts to speed up. How are the force of the push and speed of the cart related?
    The balanced push causes the cart to speed up.
    The force of gravity makes the car speed up.
    The force and speed are not related.
    The unbalanced push causes the cart to speed up.
    120s
  • Q15
    Hannah just finished building a house of cards that stands four-stories high. She is worried that it will fall down. Which of the following statements is definitely true?
    Question Image
    If no unbalanced force acts upon the house of cards, then it will remain standing forever.
    As long as nobody touches the house of cards, it will remain standing.
    If Hannah adds another card to the house of cards, then it will fall down.
    A house of cards is too fragile and must fall down eventually.
    120s

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