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Motion
Motion
50 terms
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Quiz final
Flashcards
50 cards
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Practice quiz
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Questions
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Answers
1
True or false: Velocity is the acceleration of speed
False
True
2
Define "motion".
The laws of physics that involve movment
the action or process of moving or being moved.
What ever Mr. Wittmer says it is
Newtons laws that refer to "motion"
3
If someone walked a distance of 100 meters in 20 seconds, what would there average velocity be?
50 m/s
5 m/s
10 m/s
80 m/s
4
Velocity is the ____ of something in a certain direction
gravity
speed
acceleration
momentum
5
a train traveled 50m/s if it accelerates to 200m/s in 5.72 seconds then whats the acceleration?
27 m/s2
26.5 m/s2
25 m/s2
26.2 m/s2
6
a car traveled 10m/s for 3 min, it then accelerated 5m/s
2
for 10 secs how far has it traveled?
1800 meters
2000 meters
2200 meters
2175 meters
7
the units of velocity are...
meters/second2
feet/minuet
distance/time
meters/second
8
___ friction is the force that resists motion in 2 surfaces (while at rest)
kinetic
static
friction
potential
9
A car travels a distance of 100 m in 10 seconds, What is the velocity of the car?
100 m/s
10m/s
25 m/s
11 m/s
10
Velocity is essentially the same as...
momentum
displacement
speed
acceleration
11
Friction is the force that opposes ______
motion
gravity
the sun
velocity
12
Define "force".
an action to change the acceleration of a object
an action used to change a objects state (of rest or motion)
an action to change the velocity of a object
a push or pull acted on a object
13
a car accelerates at 6 m/s
2
for 5seconds What is the car's new velocity?
25 m/s
30 m/s
20 m/s
11 m/s
14
True or False: Kinetic and static friction are the same thing?
Wat
false
true
15
a stone is thrown in the air it reaches a height of 10 meters how long was it in the air?
1.76 seconds
2 seconds
2.36 seconds
1.42 seconds
16
Is this graph a "Distance vs time graph" or a "Velocity vs time graph"
Velocity vs time
neither, this is a trick question!
distance vs time
17
"An object in motion tends to stay in motion, unless an outside force is applied " is...
Nonsense
Newton's 1st law of autonomy
Newton's 1st law of motion
Newton's 3rd law of motion
18
A ball goes from 20m/s north to 10m/s south during a 3 second period What is its new velocity?
30 m/s
200 m/s
10 m/s
6.7 m/s
19
______ is the amount of space between two things or people.
a force
distance
parabola
cheezit
20
What is the equation for velocity?
d=v/t
v=t/d
E=mc2
v=d/t
21
The law of inertia is...
false
The 5th amendment
Newton's 1st theory
Newton's 1st Law
22
Acceleration is the increase in the ____ or speed of something
velocity
size
depth
rate
23
____ friction opposes movement in 2 surfaces (while in motion)
kinetic
potential
friciton
static
24
What causes a stationary object to move?
An applied force
Friction
Gravity
Momentum
25
Define what a "velocity and time graph" is.
a graph that evaluates changes in time over velocity
a graph that evaluates changes in distance over time
a graph that evaluates changes in velocity over time
a graph that evaluates distance from the sun
26
a car's velocity goes from 10 m/s to 20/s in 2 seconds what was the cars acceleration?
10 m/s
5 m/s2
5 m/s
10 m/s2
27
the units of acceleration are...
distance/time
distance/time2
meters/second
meters/second2
28
Displacement is a ______ quantity that refers to how far out of place an object is.
physical
vector
bilateral
chemical
29
What is the velocity in this scenario?
400
21
100
20
30
What statement goes with this distance vs time graph?
Idk 21?
for every second the position (meters) increases by 5.
for every 2 seconds the graph increases by 5.
for every second the graph increases by 10.
31
What is the acceleration of gravity?
4
8.9m/s2
9.8m/s
9.8m/s2
32
True or false: acceleration is the change in velocity.
True
False
33
calculate acceleration: Bob traveled 10 miles in one hour, then traveled 30 more miles in 1/hr.
15 hours
10 mi/hr2
10 miles
15 meters
34
Define "speed".
fastness
distance traveled
how long it takes to get from point A to point B
the distance traveled divided by the time during motion
35
define "friction"
a surface acting as opposition to a force
a force that acts on an object
a force that opposes motion between two objects (or surface)
a force acting on another force
36
A boat is sailing north at 10 km/h. The water is flowing north at 5 km/h
10 km/h
2 km/h
50 km/h
15 km/h
37
Gravity is...
Newton's 3rd Law
Idk maybe something that kinda moves a little sometimes?
The downward force that pulls everything on earth down.
38
What statement is correct for this graph?
for every 3 seconds velocity increases by 30
for every second distance increases by 10
for every 5 seconds velocity inreases by 15
velocity does not have a linear correlation with this graph
39
An objects position is it's location relative to a __
symmetrical line
map
direction
reference point
40
calculate acceleration: bob traveled 10
2
meters in 2 hours, then traveled 10
3
In 3 hours.
21
180 M/Hr2
180 meters per hour
102
41
a car's velocity of 20m/s accelerates at a rate of10m/s for 5seconds what will its velocity be?
40 m/s
35 m/s
70 m/s
100 m/s
42
What is the formula for acceleration?
a=r2
a=vr/2
a=r2/v
a=v2/r
43
This example is a calculation for:
level of hotness for a hot sauce
acceleration
time
velocity
44
calculate velocity: Bob traveled 200 miles in 8 hours!
25 meters per hour
25 miles per hour
20 miles per hour
25.1 miles per hour
45
Define what a "Distance vs time graph" is.
a graph that evaluates distance traveled in a specific time.
a graph that evaluates time traveled in a specific distance
a graph that evaluates changes in velocity over time.
a graph that calculates velcoity
46
Someone runs 2:03:38 in a race If the distance is 42.195km what is the velocity during the run?
5.697 m/s
5.69 m/s
6.57 m/s
4.32 m/s
47
a car goes at a constant speed of 30km/hr, can you say that the car has a constant velocity?
no
yes
red?
48
Acceleration is...
How did I get here?
decreasing
increasing forwards
increasing backwards
49
True or false:The equation E=Mc
2
is a fancy way of saying velocity's equation v=distance/time
True
False
50
what is an objects velocity just before it hits the ground after 3 s from a height of 75 m?
15 m/s
225 m/s2
75 m/s2
225 m/s
