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How do objects Interact?
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It’s the area around a magnet that attracts or pushes away something magnetic.
Magnetic Field
The magnets have two of these, and the Earth does too.
poles
A force in which two things push each other away.
Repel
It’s a force in which two things are pulled toward each other.
Attract
It’s the attraction and repulsion between two magnets.
Magnetism
It’s an object surrounded by a magnetic field:
magnet
Like a magnet, the Earth has two poles, what are their names:
The north magnetic pole and the south magnetic pole.
The name of the four points of a compass are:
north, south, east, west
A small gadget with a magnetic needle and four points labeled is called a:
compass
What is acceleration?
It's when we gradually increase the velocity.
If we stop a car, we say it is at:
rest
If there are cars in ahighways, we say they may have a constant:
velocity
It is the distance covered in a certain distance (meadured in km) and at a certain time (measured in hours))
speed
It is the distance covered in a certain time and in a particular direction:
velocity
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.
It happens when a force prevents or slows down something from moving:
Resistance
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.
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
These are forces of nature:
gravity and magnetic force
It is a pull or a push.
A force.