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Forces 1 Flashcards | StudBud
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Forces 1
Forces 1
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Questions
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Answers
1
What would happen if you didn't have friction
You would always go faster
You wouldn't be able to stop or move
2
A real life example of Newton's 1st law (inertia)
A seatbelt that keeps you from flying through the window at a stop sign
all of the above
A person sitting on a chair
an ice skater that continues in a straight line
3
inertia is a property of matter
False
True
4
When two people collide there is an equal and opposite force between them
False
True
5
To change a car's acceleration you can
increase the velocity
change the direction
all of the above
decrease the velocity
6
What is friction
The thing that makes things stop and start
Einstein's greatest invention
The force that is in the same direction motion
Newton's greatest invention
7
A force is a push or pull
False
True
8
In physics we define mass as inertia
True
False
9
Newton's second law states
That acceleration is directly related to Force & indirectly related mass
That Physics is the best subject
That if you push something it might not move
That an apple falls from a tree
10
The thing that measures the resistance to motion
velocity
physics
inertia
speed
11
Newton's first law of motion (an object in motion..) has a nickname of
momentum
Inertia
Joules
force
12
The rate at which an objects velocity changes is called speed
False
True
13
An example of a scalar quantity
temperature
force
displacement
velocity
14
Newton's first law says an object in motion
will always be in motion
will float into space
will remain in motion unless acted on
will eventually come to rest
15
Newton is famous for
the law of relativity
his three laws of motion
an orange falling from the sky
16
When a number has magnitude and direction it is called
speed
vector
distance
scalar
17
Which thing has more inertia
A 600 pound elephant going 10 mph
They have the same inertia
A 10 pound drone going 60 mph
18
The unit for force is called
meter
joule
Newton
second
19
How is velocity different from speed
There is no difference
speed has direction, velocity does not
velocity has direction and speed does not
20
What do we use to draw a force
a box with a line
a line
an arrow (vector)
a circle
