Forces
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 SI unit of force. It is to equal the force that would give a mass of one kilogram an acceleration of one meter per second.
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| Net Force | Net Force is the overall force acting on an object.
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| Unbalanced forces | It's when two forces acting on an object are in different size, causing a change in motion.
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| balanced forces | Two forces acting in same directions in an object , and equal in size.
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| Friction | The resistance that one surface or object encounters when moving over another.
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| Static friction | Lacking into movement, action, or change.
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| Sliding friction | Moving along a smooth surface while maintaining continuous contact with it.
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| Fluid friction | A substance that has no fixed shape, liquid.
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| gravity | the force that attracts the body toward the center of Earth.
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| mass | typical large body of matter with no definite shape.
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| weight | mass or quantity of matter contained by it giving it downward force.
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| free fall | The motion of a falling when the only force is acting on its gravity.
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| air resistance | The fluid friction experienced by objects falling through the air.
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| projectile | An object that is thrown.
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| compression | An elastic force that squeezes or pushes molecules in matter together.
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| tension | An elastic force that stretches or pulls on the molecules in matter.
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| inertia | The tendency of an object to resist any change in its object.
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| momentum | The product of an object's mass and velocity.
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| law of conservation of momentum | The rule that in the absence of outside forces the total momentum
of objects that interact does not change.
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| satelite | Any object that orbits around another object in space.
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| centripetal force | A force that causes an object to move in a circle.
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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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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:
VFerrer
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