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WorksheetsCoulombs Law
Total questions: 10
Worksheet time: 28mins
Name
Class
Date
1.
Force is measured in.....
a)
Newtons
b)
Coulombs
c)
Meters
d)
Kilometers
2.
What is the equation for Coulomb's Law?
a)
PE=mgh
b)
P=mv
c)
Fe=q1*q2/r2
d)
m1*v10+m2*v20= (m1+m2)vf
3.
When sugar is poured from the box into the sugar bowl, the rubbing of the sugar grains creates a static electric charge that repels the grains, and causes sugar to flying in all different directions. If two sugar grains each acquire a charge of 5.8*10-14C at a separation of 2.0*10-8m with what force will they repel each other? (Using Coulomb's Law)
a)
.07569N
b)
1.5138*10-9N
c)
1.21104*10-32 N
d)
1.5138*1031
4.
Charge is measured in......
a)
Centimeters
b)
meters
c)
Coulomb
d)
Newtons
5.
Maddie puts perfume on herself every morning before going to school. The perfume spreads out before reaching her body. If two droplets of perfume repel each other with a force of 4.5*10-7N at a distance of .0004 meters, what is the charge on each of the charged drops of perfume?(Use Coulomb's Law)
a)
2828.427125C
b)
9*10-20C
c)
3*10-10C
d)
2.828*10-3C
6.
Fred is mopping the house and he creates a pile of suds as he wipes across the floor. If two 3.0*10-32C bubbles exert an electrostatic force of 4.0*10-21N on each other how far apart are the bubbles at a time? (Use Coulomb's Law)
a)
2.025*10-33m
b)
4.5*10-17m
c)
4.938*10-76m
d)
2.222*10-38m
7.
The radius is measured in....
a)
Coulombs
b)
Newtons
c)
Hertz
d)
Meters
8.
Justin carries two bags of groceries that rub up aginst his leg while he walks. Each bag has 8.0*10-12 coulombs of charge. The bags are separated by .43 meters. What is the electric force between the two bags of groceries? (Use Coulomb's Law)
a)
3.115*10-12N
b)
1.339*10-12N
c)
3.461*10-22N
d)
5.76*10-13N
9.
Two airplanes each have a charge of 2.0*10-26 Coulombs on their surfaces as they speed through the air. How far apart are the planes if their electrostatic force between them is 4.6*10-24N? (Use Coulomb's Law)
a)
8.846*10-97m
b)
1.277*10-66m
c)
7.826*10-67m
d)
8.846*10-34m
10.
Coulomb's Law describes the interaction between electrically charged objects.
a)
True
b)
False
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