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Forces - Coggle Diagram
Forces
Contact forces
Push
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D. 
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E.) 1. The Factors that will influence how far the ball will gois how much push force you put into the hit. 2. The mechanical systems such as Elevators use a push force. 3. Push could be a non-contact force if there were very strong winds.
Pull
D.
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B. A pull force is due to an interaction of at least two objects but can be the interaction of more than two objects.
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E) 1. No because a push and a pull force are the complete opposite and they are in different directions. 2. No because nothing can be pulled without contact. 3. The mechanical systems that use a pull force such as an elevator because the attachment to the roof pulls the elevator upwards.
Twist
D.
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E) 1. Yes because you can push something around to twist it. 2. The mechanical systems that uses a twist force are oat engine because that twists the propeller.
Friction
D.
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Normal
D.
A. When two equal forces are pushing on an object, one force going up and the other going down.
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C. There is a book on a bookshelf, gravity is pulling it down but the bookshelf is causing it to stay a normal force.
Non-contact Forces
Gravity
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D.
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Magnetism
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A. Magnetism is a magnetic force that is an attractive force or a repulsive force between a magnet and a magnetic object.
D.
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Electrostatic
A. Electrostatic is the buildup of charge on the surface of some objects because of the contact of other objects.
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D.
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