Amplify Magnetic Fields Chapter 2 Question Preview (ID: 61068)
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A magnetic force has no affect on the potential or kinetic energy in a system.
a) true
b) false
c) who knows
d) who cares
The energy used to move a magnet against a magnetic force is stored as potential energy in the magnetic field.
a) true
b) false
c) who knows
d) who cares
When a magnet system stores more potential energy, there can be a greater change to a magnet’s kinetic energy.
a) true
b) false
c) who knows
d) who cares
Potential energy can be stored in a system and also in a magnetic field.
a) true
b) false
c) who knows
d) who cares
A magnet alone is considered a system.
a) true
b) false
c) who knows
d) who cares
What do magnetic field lines look like when two magnets attract?
a) Most field lines connect one pole of one magnet to the opposite pole of the other magnet
b) All field lines connect one pole of a magnet to the other pole of that sale magnet
c) who knows
d) who cares
Magnets can attract or repel other magnets.
a) true
b) false
c) who knows
d) who cares
Magnets can move other objects from a distance.
a) true
b) false
c) who knows
d) who cares
Magnets attract some metals
a) true
b) false
c) who knows
d) who cares
Magnets repel wood.
a) true
b) false
c) who knows
d) who cares
Which of the following is true?
a) A north pole of one magnet is attracted to the north pole of another.
b) A north pole of one magnet is attracted to the south pole of another.
c) A south pole of one magnet is attracted to the south pole of another.
d) All parts of a magnet are attracted to all others.
Based on your observations of magnets, magnetic forces can pass through other solid objects.
a) true
b) false
c) who knows
d) who cares
Magnetic forces between the magnetic poles of Earth and the compass needle cause a compass needle to rotate and point ___.
a) north
b) south
c) east
d) weinies (west)
Compasses work because of the magnetic force that surrounds Earth.
a) true
b) false
c) who knows
d) who cares
What are magnetic fields?
a) visible space around a magnet in which magnetic forces can act on objects.
b) invisible space around a magnet in which magnetic forces can act on objects.
c) energy the earth absorbs from the sun
d) fields set up for robots to play sports.
Sports like snowboarding, skydiving, trampoline gymnastics, and power bocking involve changes between potential energy and kinetic energy.
a) true
b) false
c) who knows
d) who cares
___ is to change from one type to another.
a) refute
b) transfer
c) isolate
d) convert
The energy of motion is ____ energy
a) potential
b) kinetic
c) magnetic
d) variable
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