Matter in Motion
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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| Opposes motion between surfaces that are touching | friction
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| unit of force | newton
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| Is determined by combining forces. | net force
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| acceleration is the rate at which ___________ changes | velocity
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| What is the measure of gravitational force on an object? | weight
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| If a student rides her bicycle on a straight road and does not speed up or slow down, she is traveling with a constant _________. | velocity
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| What is a push or a pull, expressed in newtons,and can cause an object to speed up, slow down, or change direction. | Force
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| If you are a spacecraft that has been launched into space, your weight would..... | decrease because gravitational force is decreasing
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| The gravitational force between 1kg of lead and Earth is __________the gravitational force between 1kg of marshmallows and Earth. | the same as
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| What is the relationship between a reference point and motion? | Motion occurs when an object changes postion over time when compared with a reference point.
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| How is it possible to be accelerating but traveling at a constant speed? | Acceleration can occur simply by a change in direction.
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| How can you find the center of mass of an object? | You can find the center by spinning the object.
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| Which can change, mass or weight? | weight changes as the gravitational force changes
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| A kangaroo hops 60 m to the east in 5 s. What is the kangaroo's average speed? | 12m/s
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| a measure of the amount of matter in an object | mass
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| All matter has mass and is affected by ______? | gravity
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| The force of gravity is directly related to the amount of _______of the objects. | mass
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| What is an example of kinetic friction? | a box SLIDING on a floor
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| What is an example of static friction? | a worker pushing a NON-MOVING box
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| What are two factors that determine the amount of friction? | force and roughness of the surfaces
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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.
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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:
ahsimmon
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