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Ch. 3
Motion & Forces
Jeopardy Review
Round 2
Round 1
Need for
Speed
The Force Be
With You
Rub A Dub
Dub
A Matter of
Gravity
Newton Rules
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Need for Speed – 10 points
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Scientific unit for speed
m/s
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Need for Speed – 20 points
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The two factors that determine speed.
Distance & time
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Need for Speed – 30 points
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Speed in a particular direction.
Velocity
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Need for Speed – 40 points
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Formula for calculating average speed.
Distance traveled divided by time it took
(d/t)
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Need for Speed– 50 points
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The factor placed on the y-axis when
graphing speed.
Distance [time is on the x-axis]
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The Force Be With You – 10 points
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Forces that cause no change in speed or
direction.
Balanced
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The Force Be With You – 20 points
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Forces that cause a change in speed,
direction, or both.
Unbalanced
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The Force Be With You – 30 points
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The scientific unit of force.
Newton
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The Force Be With You – 40 points
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The combination of all the forces acting on
an object.
Net force
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The Force Be With You – 50 points
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The net force on a rope when one dog pulls
with a force of 20 N east and another dog
pulls with a force of 12 N west.
8 N east
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Rub A Dub Dub – 10 points
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A force that opposes motion between two
surfaces that are in contact.
Friction
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Rub A Dub Dub – 20 points
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Name 2 types of friction that can occur due
to motion of one or more objects.
Sliding, rolling, fluid friction (these are all
examples of kinetic friction)
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Rub A Dub Dub – 30 points
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Friction that occurs between two objects
that are not moving.
Static Friction
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Rub A Dub Dub – 40 points
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State one way you could decrease friction
in a car’s engine.
Lubricant—oil, grease
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Rub A Dub Dub – 50 points
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The two factors that determine how much
friction exists between two objects.
Force (how hard you push) & Roughness of
the surfaces
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A Matter of Gravity – 10 points
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A measure of the force of gravity on an
object.
Weight
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A Matter of Gravity – 20 points
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The scientific unit used to measure weight.
Newton (a measure of a force—gravity!)
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A Matter of Gravity – 30 points
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Gravity ___________as distance between
two objects increases.
Decreases
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A Matter of Gravity– 40 points
Calculate the acceleration of a roller
coaster that goes from a speed of 0 m/s to
8 m/s in 8 seconds.
 1 m/s2
Show Work: [8m/s – 0m/s]/8 s= 1 m/s2
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A Matter of Gravity– 50 points
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Gravity ____________as the mass of the
objects increases.
Increases
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Newton Rules – 10 points
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The force that causes the speed of a falling
object to slow down.
Air resistance
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Newton Rules – 20 points
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Assuming no air resistance, which will hit
the ground first: a shot put or a soft ball
dropped at the same time from the top of
the school building?
They will hit at the same time.
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Newton Rules– 30 points
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When force increases, acceleration
___________.
Increases
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Newton Rules – 40 points
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When mass increases, acceleration
_____________.
decreases
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Newton Rules– 50 points
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The tendency of an object to remain “as is”
(whether at rest or in motion).
Inertia
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Final Jeopardy
Round 2
Category 6
Category 7
Category 8
Category 9
Category 10
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Category 6– 20 points
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Category 6– 40 points
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Category 6– 60 points
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Category 6– 80 points
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Category 6– 100 points
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Category 7– 20 points
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Category 7 – 40 points
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Category 7– 60 points
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Category 7– 80 points
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Category 7– 100 points
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Category 8– 20 points
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Category 8– 40 points
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Category 8– 60 points
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Category 8– 80 points
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Category 8– 100 points
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Category 9– 20 points
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Category 9– 40 points
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Category 9– 60 points
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Category 9 – 80 points
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Category 9 – 100 points
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Category 10 – 20 points
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Category 10 – 40 points
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Category 10 – 60 points
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Category 10 – 80 points
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Category 10 – 100 points
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Final Jeopardy
Write down the amount you wish to
wager on this question
Final Jeopardy
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Whose theory did Newton prove correct
when he developed The Law of Universal
Gravitation?
Galileo’s