Compare Gravitational and Electric Forces
Physics · Flashcards · Application
PHYSICS · FLASHCARDS
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QUESTION
If only one charge changes sign (
q
1
→
−
q
1
q_1\to -q_1
q
1
→
−
q
1
), what happens to the electric force direction?
QUESTION
If both charges change sign (
q
1
→
−
q
1
q_1\to -q_1
q
1
→
−
q
1
,
q
2
→
−
q
2
q_2\to -q_2
q
2
→
−
q
2
), what happens to the electric force direction?
QUESTION
If
m
1
m_1
m
1
doubles (all else constant), by what factor does
F
g
F_g
F
g
change?
Tap to flip before you grade
ANSWER
F
g
F_g
F
g
doubles. Force is directly proportional to each mass in the numerator.
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