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Newton's Laws
Newton's Laws
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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
As an object's mass increases, which of the following also increases?
both
neither
weight
inertia
2
What are the units for weight?
Newtons
kilograms
force
meters/second2
3
A hammer drives a nail into a piece of wood. Identify an action-reaction pair.
The hammer on the nail; the nail on the hammer.
The hammer on the nail; the hammer on the wood.
The hammer on the nail; the wood on the nail.
The nail on the hammer; the hammer on the wood.
4
A magician pulls a tablecloth out from a table full of dishes in a demonstration of
Newton's Third Law
Newton's Second Law
Newton's First Law
magic
5
Gravitational force is applied by the
ground.
Earth.
weight.
friction.
6
A brick hits you on your toe. The force of impact is greater on
You can't tell without knowing the mass of the brick.
the brick.
neither - it is equal on your toe and the brick.
your toe.
7
You push an oar through the water to row your canoe. What's the reaction force?
you pulling the oar back
the forward motion of the canoe
the water pushing on the oar
the force of the water holding up the canoe
8
Which of the following indicates that an object is feeling an unbalanced force?
It is in equilibrium.
It changes direction.
It slows down.
It speeds up.
9
If you weigh 700N & you're falling at a constant speed, the force of air resistance is
700N
zero
more than zero but less than 700N
greater than 700N
10
A larger force
produces a smaller mass.
produces a larger acceleration.
doesn't affect acceleration.
produces a smaller acceleration.
11
The vertical component of a force is (usually) found using
tangent.
gravity.
sine.
cosine.
12
Which of the following is not a contact force?
normal force
friction
tension
gravity
13
If you are sitting still in your chair, the net force on you is
negative.
zero.
equal to your weight.
positive.
14
Inertia is the tendency of an object to
remain at rest or in motion.
remain in motion.
maintain its mass.
stop the motion of other objects.
15
When the spaceship Enterprise turns off its engines in empty space, it
slows down.
stops immediately.
explodes.
keeps going at a constant speed.
16
Two forces, 45N up and 60N down, act on a box with a mass of 35kg. What's the acceleration?
0.43m/s2
0.33m/s2
3.0m/s2
2.33m/s2
17
Which of Newton's Laws is demonstrated here?
None of Newton's Laws are demonstrated here.
Newton's Third Law
Newton's First Law
Newton's Second Law
18
If an object is at rest, that means there are no forces acting on it.
False
True
19
Net force and acceleration are always in the same direction.
true
false
20
You're standing in a moving bus, facing forward, and suddenly you fall forward. The bus must be
slowing down.
turning right.
speeding up.
turning left.
21
What kind of friction is (most likely) acting here?
kinetic
static
fluid
rolling
22
If you weigh 700N & you're falling at a constant speed, the net force on you is
700N
zero
greater than zero but less than 700N
greater than 700N
23
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 weight of the cart plus the groceries.
is equal to the mass of the cart.
is equal to the mass of the cart plus the groceries.
24
Two ice skaters push off each other. Which one is going faster when they let go?
It depends on the friction of the ice.
the heavier one
They're going the same speed.
the lighter one
25
Acceleration is
not dependent on mass.
inversely proportional to mass.
directly proportional to mass.
divided by mass.
