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2_Electrostatics0910 - Electricity some terminology...

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1 Electrostatics Electric Charges Static Electricity Electricity – some terminology square6 Electrostatics – electricity at rest square6 Electricity – flow of electric current through materials. square6 Electric Charge – property of matter that creates a force between objects. square6 Caused by an imbalance of electrons and protons. square6 Electric Force – force of attraction or repulsion between two objects due to charge. Electrostatics square6 Involves electric charges and forces and interactions between them square6 Examples: lightning, chemical bonds, sparks from rugs/carpet square6 Forces – stronger than gravity Charges of an atom square6 Protons : + charge, in nucleus square6 Electrons : - charge, in electron cloud square6 Neutrons : no charge, in nucleus square6 Electrons stay close to the protons b/c of electrical attraction.
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2 Electric Charge square6 Opposites attract: + and – square6 Like charges repel: + and + - and – square6 Charge can create a strong force between objects.
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