Transcript Blank Jeopardy - Fort Thomas Independent Schools

Heavy, man
“I shot an
arrow into
the air…”
fallout
Spaced Out
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Next stop,
Earth
It’s the rate at which objects are
accelerated due to gravity on
Earth.
1 PT
9.8
2
m/s
Its what this graph is showing for
a falling object.
V
(m/s)
t (s)
The object’s rate of acceleration
slows to zero, meaning the object
has reached terminal velocity
2 PT
The speed of an object in free fall
after 3 seconds.
3 PT
29.4 m/s
The distance an object will free
fall after 4.2 seconds.
4 PT
86.4 m.
The time it takes for an object to
free fall 145 m.
5 PT
5.4 s.
The only force acting on an
object in free fall.
1 PT
Gravity (or weight).
What a falling object will never
reach on the Moon.
2 PT
Terminal velocity
It increases with speed as an
object falls through the air.
3 PT
Air resistance
This decreases as an object falls
through the air and approaches
terminal velocity.
4 PT
Net Force (and acceleration)
Terminal velocity occurs when
these two forces are balanced.
5 PT
Weight (or force of gravity) and
air resistance.
All projectiles are under the
influence of this.
1 PT
gravity
It’s the two dimensions of motion
associated with a projectile with a
curved path
2 PT
Horizontal velocity and vertical
acceleration.
It’s the direction that a projectile
is accelerating.
3 PT
Vertical
It’s how far a projectile travels
horizontally after 4 seconds of
traveling 23 m/s.
The projectile travels 23 m 4 PT
horizontally each second, so it is
92 m.
It’s how much speed a free
falling object on earth gains each
second it falls.
The object gains 9.8 m/s of
vertical speed each second it
falls.
5 PT
It’s the net force of any object that is
falling at its maximum falling speed
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Zero net force
The two factors that the air
resistance of a falling object depends
on.
2 PT
Speed and frontal area (exposed
surface area)
One way that a falling object’s
terminal velocity can decrease.
3 PT
Increase in frontal area exposed to
air.
The shape of a curved projectile’s
path
4 PT
parabola
The path of a projectile
5 PT
trajectory
The result of dropping a feather and
a hammer on the moon or in a
vacuum at the same time from the
same height.
1 PT
The feather and hammer both land at
the same time
It is also called the weight of an
object
2 PT
Gravitational force
It’s 1/6th less on the Moon than on
the Earth
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Gravity or acceleration due to
gravity
It’s absence on the Moon allows all
objects to fall the same
4 PT
Air resistance
It is why a larger, heavier object falls
faster on the Earth than a smaller,
lighter object with the same frontal
area.
The larger, heavier object has a
greater net force) which means
greater acceleration.
5 PT