ForcesPressureMotion Equations and Formulas Misc. 100 200 300 400 500 Final Jeopardy.
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Transcript of ForcesPressureMotion Equations and Formulas Misc. 100 200 300 400 500 Final Jeopardy.
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Forces Pressure Motion Equations and Formulas Misc.
100 100 100 100 100
200 200 200 200 200
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Final Jeopardy
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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 Newtons0 Newtons BACK
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Forces for 200
ForceForceBACK
Something that starts, stops, Something that starts, stops, slows down, or speeds up the slows down, or speeds up the motion of an object, and/or motion of an object, and/or changes the direction of the changes the direction of the object’s motion?object’s motion?
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Forces for 300A force of 25N is required to A force of 25N is required to move a box. If you wanted to move a box. If you wanted to increase the speed without increase the speed without changing force, what could you changing force, what could you do to the mass?do to the mass?
Decrease massDecrease massBACK
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If you want to make a surface If you want to make a surface less slippery, would you less slippery, would you increase friction or decrease increase friction or decrease friction?friction?
Increase Friction.Increase Friction.
Forces for 400
BACK
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9.8m/s/s
Forces for 500
BACK
An object has a mass of 5.1kg and is falling with force of 50N. What is the objects acceleration?
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A student has two containers. A student has two containers. Container A holds 1 liter of liquid. Container A holds 1 liter of liquid. Container B holds two liters of liquid. Container B holds two liters of liquid. Both containers are filled with same Both containers are filled with same liquid. Are the densities of the two liquid. Are the densities of the two liquids equal or unequal?liquids equal or unequal?
EqualEqual
Pressure for 100
BACK
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BACK
The density of a substance is 5 g/mL The density of a substance is 5 g/mL and its volume is 200mL. What is and its volume is 200mL. What is its mass?its mass?
1000g1000g
Pressure for 200
BACKBACK
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Pressure for 300
BACK
Which liquid in the Which liquid in the container has the smallest container has the smallest density?density?
Liquid ALiquid ABACK
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Pressure for 400
BACK
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?
The liquid in container A has a greater The liquid in container A has a greater densitydensity
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Both marbles have the same weight, but they are in different types of liquid.
ContainerA
ContainerB
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What is the density of a block What is the density of a block of wood that has a mass of of wood that has a mass of 12g and has a length of 1cm, 12g and has a length of 1cm, a width 2 cm and a height of 3 a width 2 cm and a height of 3 cm?cm?
2g/cm³2g/cm³
pressure for 500
BACK
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Motion for 100
Velocity is speed Velocity is speed with___________.with___________.
directiondirectionBACK
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Motion for 200
A car goes from 0m/s to A car goes from 0m/s to 50m/s in 2 seconds. 50m/s in 2 seconds. What is the car’s What is the car’s acceleration? acceleration?
a = fv-bv/t = 50m/s – 0m/s/ 2s = 25m/s/sa = fv-bv/t = 50m/s – 0m/s/ 2s = 25m/s/s
BACK
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FowardFoward
Motion 300
BACK
A passenger walks towards the A passenger walks towards the rear of a moving train. What is rear of a moving train. What is her motion in relation to the her motion in relation to the ground if the train is moving ground if the train is moving faster than she is walking? faster than she is walking?
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Motion 400
What are the three types of What are the three types of acceleration?acceleration?
Speeding up, slowing down Speeding up, slowing down and changing direction.and changing direction.
BACK
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Calculate Slope from 1-2 seconds, 2-3 Calculate Slope from 1-2 seconds, 2-3 seconds and from 5-6 secondsseconds and from 5-6 seconds
1-2s = 2m/s; 2-3s = 3m/s, 5-6s = 2m/s 1-2s = 2m/s; 2-3s = 3m/s, 5-6s = 2m/s
Motion 500
BACK
speed vs time
0
2
4
6
8
10
12
1 2 3 4 5 6
time (s)
sp
ee
d (
m/s
)
speed (m/s)
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Equations and Formulas for 100
If a question on the final If a question on the final gives you the mass and the gives you the mass and the acceleration and asks for acceleration and asks for what the force is, what what the force is, what equation do you use?equation do you use?
force=mass x acceleration force=mass x acceleration BACK
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Equations and Formulas for 200
time= distance ÷ speedtime= distance ÷ speed
BACK
If a question on the final gives you the If a question on the final gives you the speed and the distance and asks for speed and the distance and asks for what the time is, what equation do you what the time is, what equation do you use?use?
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If a question on the final If a question on the final gives you force and area gives you force and area and asks for pressure what and asks for pressure what equation do you use?equation do you use?
Pressure=force÷areaPressure=force÷area
Equations and Formulas for 300
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Equations and Formulas 400
What are the units for ForceWhat are the units for Force
NNBACK
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Equations and Formulas 500
BACK
What are the units for acceleration?
m/s/s
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Miscellaneous for 100
Why is there less gravity on Why is there less gravity on the moon?the moon?
It is smaller than Earth
BACK
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Miscellaneous for 200
What are the two factors What are the two factors that cause us to be in that cause us to be in the Sun’s gravity field the Sun’s gravity field and not Pluto’s?and not Pluto’s?
Mass and DistanceMass and DistanceBACK
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Weight on Earth is Weight on Earth is called what?called what?
gravitygravity
Miscellaneous for 300
BACK
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Miscellaneous 400
The force of gravity depends on
Mass and distanceMass and distanceBACK
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A person traveling in a car that stops suddenly keeps moving forward due to
Inertia and Inertia and momentummomentum
Miscellaneous for 500
BACK
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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
BACK
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Congratulations!
Thank you for playing Jeopardy