Transcript Jeopardy

Final Jeopardy
Forces
Pressure
Motion
Equations and
Formulas
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
Misc.
Forces for 100
In a game of tug-of-war, you pull
on a rope with a force of 100 N
to the right and your friend pulls
on the rope with a force of 100
N to the left. What is the net
force on the rope?
0 Newtons
BACK
Forces for 200
Something that starts, stops,
slows down, or speeds up the
motion of an object, and/or
changes the direction of the
object’s motion?
Force
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Forces for 300
A force of 25N is required to
move a box. If you wanted to
increase the speed without
changing force, what could you
do to the mass?
Decrease mass
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Forces for 400
If you want to make a surface
less slippery, would you
increase friction or decrease
friction?
Increase Friction.
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Forces for 500
An object has a mass of 5.1kg
and is falling with force of 50N.
What is the objects acceleration?
9.8m/s/s
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Pressure for 100
A student has two containers.
Container A holds 1 liter of liquid.
Container B holds two liters of liquid.
Both containers are filled with same
liquid. Are the densities of the two
liquids equal or unequal?
Equal
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Pressure for 200
The density of a substance is 5 g/mL
and its volume is 200mL. What is
its mass?
1000g
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Pressure for 300
Which liquid in the
container has the smallest
density?
Liquid A
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BACK
Pressure for 400
There two marbles of the same size, weight and density,
yet one sinks in its container of liquid and the other
floats in its container. Which of these describes the
density of the different liquids?
Container
A
Both marbles have the
same weight, but they are
in different types of liquid.
Container
B
The liquid in container A has a greater
density
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pressure for 500
What is the density of a block
of wood that has a mass of
12g and has a length of 1cm,
a width 2 cm and a height of 3
cm?
2g/cm³
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Motion for 100
Velocity is speed
with___________.
direction
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Motion for 200
A car goes from 0m/s to
50m/s in 2 seconds.
What is the car’s
acceleration?
a = fv-bv/t = 50m/s – 0m/s/ 2s = 25m/s/s
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Motion 300
A passenger walks towards the
rear of a moving train. What is
her motion in relation to the
ground if the train is moving
faster than she is walking?
Foward
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Motion 400
What are the three types of
acceleration?
Speeding up, slowing down
and changing direction.
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Motion 500
Calculate Slope from 1-2 seconds, 2-3
seconds and from 5-6 seconds
speed vs time
12
speed (m/s)
10
8
6
speed (m/s)
4
2
0
1
2
3
4
5
6
time (s)
1-2s = 2m/s; 2-3s = 3m/s, 5-6s = 2m/s
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Equations and Formulas for 100
If a question on the final
gives you the mass and the
acceleration and asks for
what the force is, what
equation do you use?
force=mass x acceleration
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Equations and Formulas for 200
If a question on the final gives you the
speed and the distance and asks for
what the time is, what equation do you
use?
time= distance ÷ speed
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Equations and Formulas for 300
If a question on the final
gives you force and area
and asks for pressure what
equation do you use?
Pressure=force÷area
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Equations and Formulas 400
What are the units for Force
N
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Equations and Formulas 500
What are the units for
acceleration?
m/s/s
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Miscellaneous for 100
Why is there less gravity on
the moon?
It is smaller than Earth
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Miscellaneous for 200
What are the two factors
that cause us to be in
the Sun’s gravity field
and not Pluto’s?
Mass and Distance
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Miscellaneous for 300
Weight on Earth is
called what?
gravity
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Miscellaneous 400
The force of gravity
depends on
Mass and distance
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Miscellaneous for 500
A person traveling in a
car that stops
suddenly keeps
moving forward due to
Inertia and
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momentum
Final Jeopardy
• A ladybug is creeping down a sidewalk
at 1 m/s. Sometime later, it’s speeding
at 5 m/s. This could have happened if
the lady bug accelerated at 1 m/s/s for 4
seconds. Is this the only way that the
increase in speed could have
happened? Explain.
possibilities:
1 m/s/s for 4 s,
2 m/s/s for 2 s, 4 m/s/s for 1 s
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