Forces and 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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Motion | Displacement of an object over a period of time
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Speed | A measure of how fast something is moving
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Force | A push or pull exerted on an object in order to change the motion of the object
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Net Force | The combination of all of the forces acting on an object
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Newton | the SI unit for force (symbol N)
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Friction | A force that opposes the motion of an object
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Gravity | The force of attraction between all matter
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Mass | The measure of the amount of matter in a body
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Weight | A measure of the gravitational force exerted on an object
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Force | A push or pull
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Velocity | The speed of an object in a particular motion
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Acceleration | The rate at which velocity changes over time
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Inertia | Property of matter that makes matter resist a change in motion
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Kinetic Energy | Energy associated with moving bodies
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Potential Energy | Stored energy that can be released
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Mechanical Energy | The energy that is possessed by an object due to its motion or due to its position
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Energy Conservation | Reducing energy consumption through using less of an energy service
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Work | The product of a force and the distance through which it acts
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Electrical Circuit | A closed loop through which charges can continuously move
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Energy | The ability to do work
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Inclined Plane | A simple machine that is a straight, slanted surface which facilitates the raising of loads
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Pulley | A simple machine that consists of a wheel over which a rope, chain or wire passes
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Lever | A simple machine that consists of a bar that pivots at a fixed point called a fulcrum
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Wheel and Axel | A simple machine consisting of two circular objects of different sizes
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Wedge | a simple machine that is made up of two inclined planes that move
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Screw | A simple machine that consists of an inclined plane wrapped around a cylinder
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Mechanical Advantage | A number that tells how many times a machine multiplies force
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Mechanical Efficiency | A quantity, usually expressed as a percentage, that measures the ratio of work output to work input
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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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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:
Wattsr
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