Ch. 3 Motion & Forces

Jeopardy Review

Round 1Need for Speed

The Force Be With You

Rub A Dub Dub

A Matter of Gravity

Newton Rules

10 10 10 10 10

20 20 20 20 20

30 30 30 30 30

40 40 40 40 40

50 50 50 50 50

Round 2

Need for Speed – 10 points Scientific unit for speed m/s

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Need for Speed – 20 points The two factors that determine speed. Distance & time

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Need for Speed – 30 points Speed in a particular direction. Velocity

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Need for Speed – 40 points Formula for calculating average speed. Distance traveled divided by time it took

(d/t)

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Need for Speed– 50 points 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

Forces that cause no change in speed or direction.

Balanced

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The Force Be With You – 20 points

Forces that cause a change in speed, direction, or both.

Unbalanced

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The Force Be With You – 30 points

The scientific unit of force. Newton

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The Force Be With You – 40 points

The combination of all the forces acting on an object.

Net force

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The Force Be With You – 50 points

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 A force that opposes motion between two

surfaces that are in contact. Friction

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Rub A Dub Dub – 20 points 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 Friction that occurs between two objects

that are not moving. Static Friction

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Rub A Dub Dub – 40 points 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 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 A measure of the force of gravity on an

object. Weight

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A Matter of Gravity – 20 points The scientific unit used to measure weight. Newton (a measure of a force—gravity!)

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A Matter of Gravity – 30 points 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 Gravity ____________as the mass of the

objects increases. Increases

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Newton Rules – 10 points The force that causes the speed of a falling

object to slow down. Air resistance

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Newton Rules – 20 points 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 When force increases, acceleration

___________. Increases

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Newton Rules – 40 points When mass increases, acceleration

_____________. decreases

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Newton Rules– 50 points The tendency of an object to remain “as is”

(whether at rest or in motion). Inertia

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Round 2Category 6 Category 7 Category 8 Category 9 Category 10

20 20 20 20 20

40 40 40 40 40

60 60 60 60 60

80 80 80 80 80

100 100 100 100 100

Final Jeopardy

Category 6– 20 points Question Answer

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Category 6– 60 points Question Answer

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Category 6– 80 points Question Answer

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Category 6– 100 points Question Answer

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Category 7– 20 points Question Answer

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Category 7– 60 points Question Answer

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Category 7– 100 points Question Answer

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Category 8– 20 points Question Answer

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Category 8– 40 points Question Answer

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Category 8– 60 points Question Answer

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Category 8– 80 points Question Answer

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Category 8– 100 points Question Answer

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Category 9– 20 points Question Answer

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Category 9– 40 points Question Answer

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Category 9– 60 points Question Answer

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Category 9 – 80 points Question Answer

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Category 9 – 100 points Question Answer

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Category 10 – 20 points Question Answer

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Category 10 – 40 points Question Answer

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Category 10 – 60 points Question Answer

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Category 10 – 80 points Question Answer

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Category 10 – 100 points Question Answer

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Final Jeopardy

Write down the amount you wish to wager on this question

Final Jeopardy Whose theory did Newton prove correct

when he developed The Law of Universal Gravitation?

Galileo’s