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# Science Prezi Forces and Motions

Ch.16
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on 7 May 2014

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#### Transcript of Science Prezi Forces and Motions

Velocity
Vocabulary
The speed and direction of a moving object
Force
A push or pull
Acceleration
An object's change in velocity divided by the time it takes for that change to occur
The tendency of matter to resist a change in its state of motion
Inertia
Balanced forces
equal forces that act in opposite directions or an object and cancel out one another

GRUMPY CAT DOES APPROVE THIS MESSAGE
Friction affects all sides and roller coasters
By: Hayden Giers and Jason Schleifer
Unbalanced forces
Friction
forces that do not cancel out one another
a force that acts between any two surfaces in contact with each other and that prevents or slows motion

Gravitational Force
the force that acts between any two masses in the universe and pulls the, toward each other

Weight
the measurement of the force of gravity on an object
Gravitational Force
#1
#2
Which planet has the most dense gravity?
What is a force?
#3
What are Balanced and Unbalanced?
Questions
#1 Jupiter
#2 A push or pull
#3 Equal forces to an object so the object doesn't move and Unequal forces so the object does move.
#1
Definition of Velocity
A.
The speed and direction of a moving an object
#2
Definition of Force
A.
A push or pull
#3
Definition of Acceleration
A.
A change in velocity divided by the time it takes for that change to occur
#4
The tendency of matter to resist a change in its state of motion
A.
Definition of Inertia
#5
Definition of Balanced Forces
A.
Equal forces that act in opposite directions and cancel one another out
#6
A force that acts between any two surfaces in contact with one another by preventing or slowing motion
Definition of Friction
A.
#7
Definition of Gravitational Force
A.
The force that acts between any two masses in the universe and pulls them toward one another
#8
Definition of Weight
A.
The measurement of the force of gravity on an object
#9

Which two factors keep a planet in orbit around the sun?
A.
Gravitation and the planet's inertia
#10
Look at the graph below. It shows how a car's distance changed. At what time was the car's acceleration greatest?
A.
During the forth five seconds
BIG Idea
Applying force to objects causes them to change direction. Friction opposes motion.
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