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Final Review – Part 4
Chapters 13 & 14
Final Review – Part 4
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The region around a magnet where the
magnetic forces act is the ____.
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A.
 B.
 C.
 D.
Electromagnetic pole
Magnetic domain
Magnetic pole
Magnetic field
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Answer = D, magnetic field
Final Review – Part 4
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A current carrying wire wrapped around an iron
core is called a(n) ___.
A.
 B.
 C.
 D.

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Conductor
Generator
Electromagnet
Transformer
Answer = c, electromagnet
Final Review – Part 4

The south pole of a magnet ____.

A.
 B.
 C.
 D.
Repels a north pole
Attracts a paper clip
Attracts a north pole
Attracts another south pole

Answer = c, attracts a north pole
Final Review – Part 4
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The function of an electric motor is to change
___.
A. Mechanical energy into electrical energy
B. Electrical energy into mechanical energy
C. Electrical energy into chemical energy
D. Chemical energy into electrical energy
Answer = b, electrical energy into mechanical
energy
Final Review – Part 4
The magnetic field of a magnet is ___.
 A. Weakest at the poles
 B. The same at all parts of the magnet
 C. Strongest at the center
 D. Strongest at the poles

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Answer = d, strongest at the poles
Final Review – Part 4
The amount of gravitational force exerted
on an object is known as ____.
 A. Air resistance
 B. Size
 C. Mass
 D. Weight


Answer = d, weight
Final Review – Part 4
The relationship among force, mass, and
acceleration is started in ___.
 A. Newton’s 3rd Law
 B. Newton’s 2nd Law
 C. Newton’s 1st Law
 D. The law of conservation of momentum


Answer = b, Newton’s 2nd Law
Final Review – Part 4
According to Newton’s 2nd Law of motion,
____.
 A. F = m x a
 B. A = Fnet /m
 C. F = m/a
 D. F = m x v


Answer = b, A = Fnet /m
Final Review – Part 4
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
A 500-N force acts on a 50-kg object. What is
the acceleration of the object?
A. 25,000
B. 10
C. 100
D. 25
Answer = b, 10 because A = Fnet /m and
500/50=10.
Final Review – Part 4

The statement “for every action, there is an
equal but opposite reaction is stated in ____.
A. Newton’s 3rd Law
B. Newton’s 2nd Law
C. Newton’s 1st Law
D. The Law of Conservation of Momentum

Answer = a, Newton’s 3rd Law
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