Carter S8P3 Motion Review
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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| What is velocity? | Speed of something in a given direction
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| What is speed? | Distance traveled per unit of time
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| Explain displacement | Displacement is the distance between the starting point and ending point; not necessarily its full path
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| What is distance? | The full path an object took to get from one point to another
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| Explain acceleration. Tell three ways an object can accelerate. | Acceleration is a change in speed or direction. An object can slow down, speed up, or turn
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| Explain why deceleration is also acceleration. | It is still changing speed
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| What does a flat line on a distance/time graph represent? | Not moving
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| Greater slope up means ____________ on a distance/time graph. | Moving away from starting position
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| Greater slope up means ____________ on a distance/time graph. | Moving away from starting position
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| What does a flat line on a velocity/time graph represent? | Constant speed
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| What does an upward slope on a velocity/time graph represent? | Increasing speed
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| What does a downward slope on a velocity/time graph represent? | Decreasing speed
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| What does constant velocity mean? | Not speeding up or slowing down
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| Tell three ways velocity can change. | It can slow down, speed up, or change direction
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| If an object’s mass increases, its acceleration will ______________. | Decrease
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| Force = _________ x ____________ | Mass x velocity
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| What are unbalanced forces? | The sum of all forces is not equal to 0
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| What are balanced forces? | The sum of all forces is 0
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| Net force = _______________ | The sum of all forces
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| What type of force does not cause acceleration? | Balanced force
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| What is magnitude? | Size or extent of a vector
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| What is vector? | A force with both direction and magnitude
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| Explain Newton’s First Law of Motion. | An object in motion will stay in motion, and an object at rest will stay at rest
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| Greater mass = __________ inertia | Greater
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| Explain Newton’s Second Law of Motion. | Acceleration depends on mass and net force
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| Explain Newton’s Third Law of Motion. | For every action, there is an equal and opposite reaction.
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| What is inertia? | An object in motion will stay in motion, and an object at rest will stay at rest
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| What is another name for Newton’s First Law of Motion? | Law of inertia
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| What does air resistance depend upon? | Speed and surface area
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| What is the formula for velocity? | Distance / Time
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| What is the difference between speed and velocity? | Velocity is speed in a given direction
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| What is the difference between mass and weight? | Mass is constant, weight depends on gravity
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| How does your mass on Earth compare to your mass on the moon? | They are the same
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| How does your weight on Earth compare to your weight on the moon? | Earth weight is heavier
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| Explain friction. How does it affect the movement of an object? | It slows it down
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| How does the mass of an object affect the amount of force needed to accelerate the object? | More mass needs more force
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| Explain how to solve a vector diagram (to determine a net force). | Add all forces acting on the object
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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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