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How do objects Interact?
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It is the distance covered in a certain time and in a particular direction:
velocity
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Mention two things that can happen when we apply a force to an object:
it may move, it may be deformed, it may be pressured
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If we stop a car, we say it is at:
rest
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Like a magnet, the Earth has two poles, what are their names:
The north magnetic pole and the south magnetic pole.
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It is a pull or a push.
A force.
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It is the distance covered in a certain distance (meadured in km) and at a certain time (measured in hours))
speed
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A force in which two things push each other away.
Repel
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It’s an object surrounded by a magnetic field:
magnet
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These are forces of nature:
gravity and magnetic force
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What happens when you play soccer and you kick a ball?
I transfer the energy from my foot to the ball, and the ball moves.
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It’s the area around a magnet that attracts or pushes away something magnetic.
Magnetic Field
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The name of the four points of a compass are:
north, south, east, west
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It happens when a force prevents or slows down something from moving:
Resistance
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A small gadget with a magnetic needle and four points labeled is called a:
compass
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It’s a force in which two things are pulled toward each other.
Attract
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The magnets have two of these, and the Earth does too.
poles
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What is acceleration?
It's when we gradually increase the velocity.
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It’s the attraction and repulsion between two magnets.
Magnetism
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If there are cars in ahighways, we say they may have a constant:
velocity
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If you step on a chair, the chair is not deformed. It doesn’t change shape. Why?
Because the chair distributes the force in its surface, and because the material of the chair ir rigid.
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