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Forces - Coggle Diagram
Forces
Contact Forces
Twist
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Explain- Twist is a rotational force. Twist is when one end of an object is turned one and the other end it turned the other way.
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Observation- People use the twist force every day. You can convert a push force into a twisting force by creating two rotating twist actions.
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Friction
C. Experiment 2- Rub a piece of woollen fabric against an inflated balloon, and bring it towards someone's hair.
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Fact- Friction causes heat, because when you rub two things together like your hands, they will get warmer.
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Normal
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Example- When you put a laptop on a table the normal force it making the laptop not fall through the table. The forces used are normal and gravity.
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Pull
C. Experiment 3- With a magnet, what objects can you move.
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Non-Contact Forces
Electrostatic
Explain- Electrostatic forces are attractive or repulsive forces between particles that are caused by their electric charges.
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Example- When you rub a balloon against your hair and your hair sticks to it because of the electrostatic force. The friction creates the charge which attracts the hair creating a force.
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Gravity
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Example- When you throw a ball into the air gravity pulls it down to the ground. the forces used are gravity and push.
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Magnetism
Explain the term- Magnetism is the force that results in repulsive forces between objects. It is a force that pulls things together my using magnets.
Fact- Not all things are magnetic. The only things that are magnetic are this that have cobalt, nickel, and iron in them.
Example- If you drop a bunch of nails on the floor, you can get a magnet and put it close to the nails and it will pick the nails up. The forces used are magnetic and normal.
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