Question

Question 13
Match the following to the correct answer:

Column A
1.
Protons:
Protons
2.
Electrons:
Electrons
3.
Neutrons:
Neutrons
4.
Like charges...:
Like charges...
5.
Opposite charges...:
Opposite charges...
Column B
a.attract
b.repel
c.no charge
d.positive charge
e.negative charge
Question 14
What is the unit for force?

a
Newtons
b
Seconds
c
Joules
d
Meters
Question 15
In the equation for Coulomb's Law, q can have a negative value only.

True
False
Question 16

If the value of F is positive, this tells us that the two objects are:

a
this doesn't give us any information about the objects
b
repelled by one another
c
attracted to one another
Question 17
Based on Coulomb's Law, what happens to the force if you triple the distance?

a
Force will be 1/3 as large
b
Force will be 9x as large
c
Force will be 3x as large
d
Force will be 1/9 as large
Question 18
Which of the four fundamental forces is responsible for holding the nucleus of an atom together?

a
strong force
b
weak force
c
gravity
d
electromagnetic force
Question 19
Which of the four fundamental forces is responsible for all objects with mass being attracted to each other?

a
strong force
b
weak force
c
gravity
d
electromagnetic force
Question 20
Is magnetism a contact or noncontact force?

a
contact
b
noncontact
c
both
d
it depends
Question 21
What is the unit for electrical charge?

a
Newton
b
Coulomb
c
Watt
d
Joule

Answer 1

Question 13 (match):
1 — d
2 — e
3 — c
4 — b
5 — a

Question 14: a (Newtons)

Question 15: False

Question 16: b (repelled by one another)

Question 17: d (Force will be 1/9 as large)

Question 18: a (strong force)

Question 19: c (gravity)

Question 20: b (noncontact)

Question 21: b (Coulomb)