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Duplicate of Newton's Laws
Duplicate of Newton's Laws
25 terms
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A physics game to review Newton's Laws of Motion
Flashcards
25 cards
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Practice quiz
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Host live
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Questions
25
Answers
1
Which of Newton's laws is demonstrated here?
Second law
First law
The Law of Inertia
Third law
2
Which of the following indicates that an object is feeling an unbalanced force?
It slows down.
It changes direction.
It is in equilibrium.
It speeds up.
3
If an object is at rest, that means there are no forces acting on it.
True
False
4
What are the units for acceleration?
meters/second2
force
kilograms
Newtons
5
Two ice skaters push off each other. Which one is going faster when they let go?
the lighter one
They're going the same speed.
It depends on the friction of the ice.
the heavier one
6
Gravitational force is applied by the
friction.
ground.
Earth.
weight.
7
A toy car travels a distance of 4.8 meters in 5.02 seconds, what is the velocity of the car?
0.96 m/s
0.33 m/s
24.1 m/s
1.05 m/s
8
You push an oar through the water to row your canoe. What's the reaction force?
the force of the water holding up the canoe
the forward motion of the canoe
the water pushing on the oar
you pulling the oar back
9
Which of Newton's Laws is demonstrated here?
None of Newton's Laws are demonstrated here.
Newton's Second Law
Newton's Third Law
Newton's First Law
10
Which of the following is not a contact force?
tension
gravity
normal force
friction
11
A larger force
produces a smaller mass.
produces a smaller acceleration.
produces a larger acceleration.
doesn't affect acceleration.
12
As an object's mass increases, which of the following also increases?
neither
weight
inertia
both
13
If you weigh 700N & you're falling at a constant speed, the force of air resistance is
more than zero but less than 700N
greater than 700N
700N
zero
14
If you weigh 700N & you're falling at a constant speed, the net force on you is
700N
greater than 700N
zero
greater than zero but less than 700N
15
Inertia is the tendency of an object to
maintain its mass.
stop the motion of other objects.
remain at rest or in motion.
remain in motion.
16
Net force and acceleration are always in the same direction.
false
true
17
Balanced forces acting on an object do not change the object's motion
False
True
18
A shopping cart loaded with groceries sits in the market. The normal force acting on the cart
is equal to the weight of the cart.
is equal to the mass of the cart plus the groceries.
is equal to the mass of the cart.
is equal to the weight of the cart plus the groceries.
19
A magician pulls a tablecloth out from a table full of dishes in a demonstration of
Newton's Second Law
Newton's Third Law
magic
Newton's First Law
20
When the spaceship Enterprise turns off its engines in empty space, it
keeps going at a constant speed.
slows down.
explodes.
stops immediately.
21
A hammer drives a nail into a piece of wood. Identify an action-reaction pair.
The hammer on the nail; the wood on the nail.
The hammer on the nail; the hammer on the wood.
The hammer on the nail; the nail on the hammer.
The nail on the hammer; the hammer on the wood.
22
A brick hits you on your toe. The force of impact is greater on
your toe.
neither - it is equal on your toe and the brick.
the brick.
You can't tell without knowing the mass of the brick.
23
If you are sitting still in your chair, the net force on you is
zero.
equal to your weight.
negative.
positive.
24
Acceleration is
inversely proportional to mass.
divided by mass.
not dependent on mass.
directly proportional to mass.
25
You're standing in a moving bus, facing forward, and suddenly you fall forward. The bus must be
slowing down.
speeding up.
turning left.
turning right.
