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Changes in Force and Motion

Quiz by Nussbaum, Marjorie (DCPS)

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34 questions
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  • Q1
    What is direction?
    a set of lines showing where an object will travel or where it has already traveled
    a straight path that an object can move along
    a line that indicates position
    a picture of an object's motion
    30s
  • Q2
    What is a push or pull that changes the motion of an object?
    speed
    force
    motion
    velocity
    30s
  • Q3
    What is mass?
    a measure of an object's weight
    a measure of how much matter is present in a substance
    a measure of the amount of any substance
    a measure of the gravitational pull on an object
    30s
  • Q4
    What is the correct term for the change in an object's position with respect to time and in comparison with the position of other objects used as reference points?
    acceleration
    speed
    motion
    velocity
    30s
  • Q5
    The sum of all the forces acting on an object would be its
    mass
    weight
    net force
    volume
    30s
  • Q6
    In what unit is force measured?
    Newtons
    Gravitational pull
    Kilograms
    Pounds
    30s
  • Q7
    The best definition for the term reference frame is
    a system that uses frames to outline background objects in order to establish position or to measure movement of a point in space
    a system that uses coordinates or background objects to establish the size and movement of a point in space
    a system that uses coordinates or background objects to establish position or to measure movement of a point in space
    a system that measures movement of a point in space by comparing that point to the Sun
    30s
  • Q8
    A change of motion caused by an unbalanced force acting on an object--this change may include increasing speed, decreasing speed and changes in direction
    friction
    acceleration
    movement
    velocity
    30s
  • Q9
    In order to create motion, what must be present?
    balanced forces
    velocity
    speed
    unbalanced forces
    30s
  • Q10
    When an object is not moving, its potential energy is
    constantly changing
    at its greatest
    at its least
    fixed
    30s
  • Q11
    When an object is in motion, potential energy is
    diminished
    being converted to force
    increased
    changed into kinetic energy
    30s
  • Q12
    Forces result in a change in
    both the speed and the direction of motion
    the momentum of the motion
    the speed of motion.
    the direction of motion
    30s
  • Q13
    The term speed refers to
    the rate of acceleration of an object
    the rate of motion of an object
    the rate of velocity of an object
    the rate of momentum of an object
    30s
  • Q14
    Speeding up and slowing down are changes in motion caused by force. Any change in the speed or direction of a motion is called
    kinetic energy
    momentum
    velocity
    acceleration
    30s
  • Q15
    The relationship between force, mass, and acceleration can be expressed by the formula
    force [in kilograms (kg)] = mass [in grams (g)] x acceleration [in meters per second per second (m/s/s)]
    force [in Newtons (N)] = mass [in grams (g)] x acceleration [in meters per second per second (m/s/s)]
    force [in Newtons (N)] = mass [in kilograms (kg)] x acceleration [in meters per second per second (m/s/s)]
    force [in Newtons (N)] = mass [in kilograms (kg)] x acceleration [in meters per second (m/s)]
    30s

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