Chapter 2 test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Force | a push or pull
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| newton | The strength of a force
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| Net Force | The combination of all forces acting on an object
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| Unbalanced force | Whenever there is net force acting on an object the object is unbalanced
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| Balanced force | Equal forces acting on one object in opposite directions
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| Friction | The force that two surfaces exert on each other when they rub against each other
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| Static friction | The friction that acts on objects that are not moving
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| Sliding friction | occurs when two solid surfaces slide over each other
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| Rolling friction | occurs when an object rolls across a surface
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| Fluid Friction | occurs when a solid object moves through a fluid
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| Gravity | a force that pulls objects toward each other
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| Mass | a measured amount of matter in an object
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| Weight | The force of gravity on a person or object at the surface of a planet
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| Free Fall | When the only force acting on an object is gravity the object is said to be in ____ ____
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| Air resistance | Objects falling through air experience a type of fluid friction called
___ __________
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| Terminal velocity | the greatest velocity a falling object reaches
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| Projectile | an object that is thrown
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| Inertia | Galileo's concept of air resistance to a change in motion
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| Momentum | A characteristic of a moving object that is related to the mass and the velocity of an object
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| law of conservation of energy | States that, in the absence of outside forces the total momentum of objects that interact does not change
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| Satellite | any object that orbits another object in space
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| Centripetal force | Any force that causes an object to move in a circular path
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| Linear | motion in a straight line
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| Projectile | Motion along a curved path
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| Rotational | Spinning motion around a fixed/stationary point
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| Vibrational | Series of small but fast back and forth movements or side to side
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Awsomeperson
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