What is the main similarity between Coulomb's Law and Newton's Universal Law of Gravitation?
Introduction to Coulomb's Law or the Electric Force

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Physics, Science
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11th Grade - University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Both are concerned with magnetic forces.
Both describe forces that act at a distance.
Both involve the concept of mass.
Both are used to calculate the speed of light.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which constant is larger, the Coulomb constant or the universal gravitational constant?
They are equal
The Coulomb constant
It depends on the context
The universal gravitational constant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a point charge?
A charge that cannot move
A charge with a large mass
A charge with zero size
A charge that is always positive
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the prefix 'micro' in microcoulombs represent?
One billionth
One millionth
One trillionth
One thousandth
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to convert microcoulombs to coulombs in calculations?
To ensure the units are consistent
To simplify the equation
To make the numbers smaller
To avoid using a calculator
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a negative sign in the electric force indicate?
The force is attractive
The force is to the left
The force is zero
The force is repulsive
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when both charges in Coulomb's Law are positive?
The force is attractive
The force is repulsive
The force is zero
The force is undefined
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