Newton's Laws
3 years ago
thephysicsgrove
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28 QuestionsShow answers
  • Question 1
    30 seconds
    Q. The force that one surface exerts on another when the two surfaces rub against each other
    answer choices
    Speed 
    Force
    Net force
    Friction
  • Question 2
    60 seconds
    Q. According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
    answer choices
    remain in motion.
    eventually come to a stop.
    change its momentum.
    accelerate.
  • Question 3
    30 seconds
    Q. The SI units for force are...
    answer choices
    Kilograms
    Newtons
    Meters per second
    Pounds
  • Question 4
    30 seconds
    Q. An object at rest will _______ if no outside forces are applied.
    answer choices
    Stay at rest
    Increase Velocity
    Decrease Mass
  • Question 5
    60 seconds
    Q. If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
    answer choices
    The one with a mass of .78 kg will have the greatest acceleration.
    The one with a mass of .52 kg will have the greatest acceleration.
    They will both accelerate at the same rate.
  • Question 6
    180 seconds
    Q. If you exert a net force of 8 N on a 2-kg object, what will its acceleration be?
    answer choices
    2 m/s2
    4 m/s2
    16 m/s2
    10 m/s2
  • Question 7
    180 seconds
    Q. If two forces of the same magnitude are acting on an object in the same direction, the resultant force will become zero. True or false?
    answer choices
    true
    false
  • Question 8
    60 seconds
    Q. What is the net force?
    answer choices
    400 N Up
    400 N Down
    - 400 N Down
    800 N Down
  • Question 9
    120 seconds
    Q. Keep in mind F=ma
    If you are pushing a 1000 kg car and it accelerates at 0.5 m/s^2, what is the resultant force on the car?
    answer choices
    2000 N
    60N
    500 N
    12 N
  • Question 10
    120 seconds
    Q. A bicycle rider travels 100 kilometres in 4 hours.  What is the cyclist's average speed?
    answer choices
    400 km/h
    25 km/h
    104 km/h
    0.025 km/h
  • Question 11
    30 seconds
    Q. How would you describe the motion of the object?
    answer choices
    Constant Speed
    Acceleration (speeding up)
    Deceleration (slowing down)
    No motion
  • Question 12
    30 seconds
    Q. 1000 kg is the _______ of an object.
    answer choices
    mass
    weight
    force
    acceleration
  • Question 13
    30 seconds
    Q. 45 m/s2 is the... 
    answer choices
    Mass
    Force 
    Acceleration
    weight
  • Question 14
    30 seconds
    Q. A dragster race car is able to accelerate from 4 m/s to 60 m/s in 2.5 seconds. What is the dragsters acceleration? 
    answer choices
    22.4 m/s 2
    24 m/s 2
    240 m/s 2
    600 m/s 2
  • Question 15
    60 seconds
    Q. What is the magnitude (size) and direction of the net force?
    answer choices
    21 N to the Left
    3 N to the Left
    21 N to the Right
    3 N to the Right
  • Question 16
    60 seconds
    Q. What is the magnitude (size) and direction of the net force?
    answer choices
    10 N to the Right
    10 N to the Left
    0 N
    8 N to the Left
  • Question 17
    60 seconds
    Q. What is the magnitude (size) and direction of the net force?
    answer choices
    14 N Down
    14 N Up
    6 N Up
    6 N Down
  • Question 18
    60 seconds
    Q. What is the magnitude (size) and direction of the net force?
    answer choices
    15 N to the left
    15 N to the right
    1 N to the left
    1 N to the right
  • Question 19
    120 seconds
    Q. What is the net force needed to accelerate a 66 kg skier at 2 m/s2?
    answer choices
    132 N
    33 N
    58.8 N
    .030 N
  • Question 20
    120 seconds
    Q. A net force of 250 N is applied to an object that accelerates at a rate of 5 m/s2.  What is the mass of the object?
    answer choices
    50 kg
    245 kg
    .02 kg
    25.5 kg
  • Question 21
    45 seconds
    Q. What is the unit for velocity?
    answer choices
    m/sec
    kg/sec
    kg/m
    kg m/sec
  • Question 22
    30 seconds
    Q. What is the unit for acceleration?
    answer choices
    m/s
    m/s2
    kg*m/s
    N
  • Question 23
    45 seconds
    Q. What is the unit for mass?
    answer choices
    m/sec
    kg/sec
    kg
    kg m/sec
  • Question 24
    45 seconds
    Q. What are the units of Force?
    answer choices
    kg*m/sec
    kg*m
    N
    N*sec
  • Question 25
    30 seconds
    Q. Which of Newton's laws is the reason why a gun 'kicks' backward when a bullet is fired?
    answer choices
    Law 1
    Law 2
    Law 3
  • Question 26
    30 seconds
    Q. Why law states that an object at rest tends to stay at rest unless an outside force acts upon it?
    answer choices
    Law 1
    Law 2
    Law 3
  • Question 27
    30 seconds
    Q. Which law explains why it takes more force to move a truck than to move a bike at the same rate of acceleration?
    answer choices
    Law 1
    Law 2
    Law 3
  • Question 28
    30 seconds
    Q. You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
    answer choices
    20N 
    40N 
    10N 
    70N
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