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How are contact forces and action-at-a-distance forces different?
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Describe a situation invoiving a contact force and a situation involving an action-at a distance forc,e!
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2. State the three laws of static
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4. Determine whether the event described is conduction or induction.
Conduction or Induction
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Science 9
o Physicsr Assignment
Page L
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A positively charged object is brought near another object. The two objects
this observation Droye that the unknown ob
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attract
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A negatively charged balloon touches the knob
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A positively charged glass rod is brought near
the lmob atthe fop of the electroscope.
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Compare and contrast charging by conduction and charging by induction.
Differences
Similarities
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distance between two charged object! and their attraction are relAted. Exptain the
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Science 9
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Physicso Assign.ment
Page 2