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Force & Motion Review
Force & Motion Review
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1
To calculate speed you must
Divide velocity by distance
Divide acceleration by time
Divide distance by time
2
Which has the greater effect upon the kinetic energy of a moving object, doubling its mass or doubling its speed?
There is no change.
doubling the mass
doubling the speed
There is no difference they are equal in the effect.
3
Newton's Three Laws
Push, Pull, and Hold
Motion, Inertia, and Action-Reaction
Inertia, Acceleration, and Action-Reaction
None of the above
4
If there is no force acting on an object, than the object will do the following.
begin to slow down and eventually stop.
Change direction
Stop
continue in the same direction at the same speed.
5
Who created the laws of motion
isaac newton
albert einstein
henry ford
6
When an arrow is shot from a bow, the energy that causes it to move comes from _________________.
the bent bow
the distance to the target
the air molecules
the length of the arrow
7
Which describes the graphed relationship between kinetic energy and an object's speed?
Exponential
Indirect
Parabola
Linear
8
A roller coaster at an amusement park goes from the top of a tall hill to the bottom.
transfers potential energy to kinetic energy
it gains both potential and kinetic energy
no energy is involved
transfers kinetic energy to potential energy
9
Identify the Dependent Variable in the experiment below.
Hamsters
Amount second - hand smoke
Health
Age of hamsters
10
Which describes the graphed relationship between kinetic energy and an object's mass?
Linear
Indirect
Exponential
Parabola
11
What is potential energy?
How fast you are going
Something...
Stored energy
How much potential you have
12
Can energy changed?
Maybe
Sometimes
No
Yes
13
Someone running.
Kinetic
Potential
14
Which correctly identifies part A?
They travelled the full 60 km back to where they began.
The distance from their starting point did not change.
Travelled 30 km away from their starting point and that took them 2 hours.
They moved a further 30 km away from their starting point.
15
Which point on the pendulum's swing represents the minimum potential energy?
A & C
B
C
A
16
Which point on the roller coaster's path represents the maximum potential energy?
B
D
C
A
17
What is energy?
Moving
Space and time
The ability to do work
When you have had too much candy
18
A stuffed toy laying on a table.
Kinetic
Potential
19
If you double an objects speed, it's kinetic energy _________________.
quadruples
triples
slows down
doubles
20
When do Newton's Laws NOT apply to motion
When objects are very, very small, like atom sized
When objects are moving close to the speed of light
All of the above
When very strong gravitational forces are involved
21
Identify the Independent Variable in the experiment below.
Hamsters
Amount second - hand smoke
Age of hamsters
Health
22
The criteria of an engineering project describe the _______ of the design.
end user
goals & desired features
Limitations
Nonessential parts
23
A softball just before being released by the player.
Kinetic
Potential
24
A basketball sits on the rim before falling into the hoop.
Kinetic
Potential
25
A golf ball as it gains height after being hit by the driver.
Kinetic to potential
Potential to kinetic
26
Is this an example of kinetic or potential energy?
Kinetic
Potential
Both
Cookie
27
What is the force needed to accelerate a 10 kg object at 2 meters per second squared?
2N
0.2N
20N
0.02N
28
A ball is projected into the air. Where is potential energy the greatest?
A & C
C
B
A
29
Why would a brake system be necessary on a roller coaster?
coasters do not need brake systems
for emergencies
to stop the ride at the end
to safely slow down around curves
30
The constraints of an engineering project describe the _______ of the design.
Limitations
goals & desired features
Nonessential parts
end user
31
What is kinetic energy?
How high you are
How popular you are
The energy gained when going falling to earths surface.
How fast a cookie falls
32
Which ball has the most potential energy?
A ball held at 2 meters.
A ball resting on the ground.
A ball held at 3 meters.
A ball held at 1 meter.
33
Is this an example of kinetic or potential energy?
Kinetic
Cookie
Both
Potential
34
what is motion?
the speed of something in a given derection,speed
the sum of all forces acting on an object
the act of changing location from one place to another
acceleration
35
What keeps you in your seat when you go upside down on a roller coaster?
potential energy
force of inertia
kinetic energy
force of gravity
36
Light, sound, heat, and motion are indicators that an object has _________.
mass
density
volume
energy
37
When a meteor enters the Earth's atmosphere, _________________ energy is transformed into _________________ energy.
kinetic energy is transformed into heat energy
kinetic energy is transformed into potential energy
heat energy is transformed into potential energy
potential energy is transformed into heat energy
38
A salmon leaping up a waterfall.
Potential to kinetic
Kinetic to potential
39
The amount of material affects the amount of energy that an object has.
False
True
40
If the speed of a roller coaster cart doubles, the kinetic energy ___________.
stays the same
quadruples
doubles
triples
41
Which of Newton's Laws of motion is also known as the Law of Inertia?
3rd
4th
2nd
1st
42
A bobsled is moving at its fastest speed around the final turn.
Potential
Kinetic
43
Does this roller coaster use a lift or launch?
Lift
Launch
44
In the figure, potential energy is being converted into kinetic energy from
point A to point B
Energy is not being converted.
point B to point C
The only energy involved is kinetic.
45
Which correctly identifies part D?
Travelled 30 km away from their starting point and that took them 2 hours.
The distance from their starting point did not change.
They travelled the full 60 km back to where they began.
They moved a further 30 km away from their starting point.
46
A roller coaster cart would have the greatest kinetic energy ___________________.
at the bottom of the highest hill
at the top of the highest hill
as it completes a loop
as it makes a banked turn
47
Which basketball has the most KE?
Ball 2 has the most KE
Both have the same amount of KE
Ball 1 has the most KE
Neither has any KE
48
Point B has the most Kenetic energy
True
False
Nether
Cookie
49
Which is not a kind of potential energy
Chemical
Elastic
Gravitational
Physical
50
When does a roller coaster have the most stored energy?
It builds up as the coaster is moving around the loop.
It builds up at the bottom of the first hill.
It builds up as it presses your body towards the loop.
It builds up at the top of the first hill.
51
Roller coaster designers take advantage of forces to design their coasters.
True
False
52
Which one isn't a type of Kinetic Energy?
Elastic
Fluid
Cookies
All of the above
53
Kinetic energy CANNOT be converted to potential energy.
True
False
54
Blueberries.
Potential
Kinetic
55
What are the 3 types of potential energy?
Cookie, Monster, And Blue
Gravitational, Chemical, and Elastic
Gravitational, Chemical, and Physical
Gravitational, Chemical, and Stretchy
56
At which point is there the most potential energy?
D
B
C
A
57
How long was the object stopped?
90 minutes
45 minutes
15 minutes
30 minutes
58
Identify the Independent Variable in the experiment below.
Age of lobsters
Claw size
Type of Lobsters
Amount of water & Celsius energy drinks
59
Which statement is true based on the diagram?
The car at point C has less KE than at point B.
The car at point D has less PE than at point B.
The car at point C has more KE than at point B.
The car at point A has more KE than at point C.
60
Mass and height are _____ proportional to potential energy.
directly
not
exponentially
indirectly
61
What is the formula for Force?
Force = Velocity×Temperature
Force = Acceleration×Velocity
Force = Acceleration×Illuminati
Force = Mass×Acceleraton
62
A cheetah runs 600 miles in 10 minutes, what is the speed of the cheetah?
60 mph
600 mph
610 mph
6000 mph
63
Which situation is an example of increasing potential energy?
pulling a wagon uphill
emptying a bucket of water
a cat jumping from a tree
a bicyclist stopping at a stop sign
64
If positions W and Y are the same height, which point is the KE at its maximum?
Both W and X
W
Y
Both W and Y
65
What does it take to change the speed and direction of an object?
A balanced force
An unbalanced force
You can not change the speed and direction of an object.
more than one force
66
A swimmer just before he dives off the platform.
Kinetic
Potential
67
All moving object have ENERGY.
TRUE
FALSE
68
How can we increase the gravitational potential energy of the car?
Keep the length of the hill at 50m but only 5m tall.
Keep the hill at 10m tall but increase the length of hill.
Take the interior out of car so that the car weighs less.
Strap a boulder to the car so that it weighs more.
69
Is this an example of kinetic or potential energy?
Cookie
Pontential
Kinetic
Both
70
When finding distance do you divide or multiply speed and time
Multiplure
add
multiply
subtract
71
An object's potential energy will increase with
speed only
height and mass
speed and height
height only
72
Which point on the coaster's path represents the maximum kinetic energy?
A
C
D
B
73
A fire engine at 55 mph requires approximately ______ feet of breaking distance
150
250
350
450
74
On what two main physics concepts do roller coasters rely?
mass & weight
gravity & inertia
friction & mass
engines & batteries
75
The boulder falls over the edge of the cliff. As it falls, the amount of KE
increases then decreases
stays the same
increases
decreases
76
Does this roller coaster use a lift or launch?
Launch
Lift
77
foreces can cause motion
false
true
78
Which line is moving the fastest?
C
A
D
B
79
At what point on the hill will the car have zero gravitational potential energy?
At the top of the hill
Half-way down the hill
At the bottom of the hill
80
What is gravity?
All above
The force that causes a ball you throw in the air to come down again.
The force that causes a glass you drop to fall to the floor.
The force that causes a rock to roll downhill.
81
Which correctly identifies part C?
Travelled 30 km away from their starting point and that took them 2 hours.
The distance from their starting point did not change.
They travelled the full 60 km back to where they began.
They moved a further 30 km away from their starting point.
82
Which correctly identifies part B?
They moved a further 30 km away from their starting point.
Travelled 30 km away from their starting point and that took them 2 hours.
They travelled the full 60 km back to where they began.
The distance from their starting point did not change.
83
Where would we see the greatest amount of kinetic energy on a roller coaster?
coming down a steep hill
the bottom of a steep hill
climbing a steep hill
waiting for ride to begin
84
T/F
: Roller coasters require an engine to make them move.
TRUE
FALSE
85
The amount of KE in an object is determined by its
only height
only speed
speed and mass
speed and height
86
Identify the Dependent Variable in the experiment below.
Claw size
Type of Lobsters
Age of lobsters
Amount of water & Celsius energy drinks
