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March 30, 2017

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Conductors can be charged by ___, while insulators cannot.
a. grounding
b. induction
c. polarization
d. contact

D

Which of the following is not true for both gravitational and electric forces?
a. the inverse square distance law applies
b. forces are proportional to physical properties
c. potential energy is a function of distance of separation
d. forces are either attractive or repulsive

D

  • physics - ,

    correct.

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