Chapt. 8
Potential Energy and Mechanical Energy
MultipleChoice Problems
008 qmult 00100 1 1 2 easy memory: potential energy definition
Extra keywords:
physci
1. Potential energy is:
a) the energy of position: it exists for nonconservative forces.
b) the energy of position: it exists for conservative forces.
c) the energy of motion: its formula is
PE
= (1
/
2)
mv
2
.
d) the energy of position: its formula is
PE
= (1
/
2)
mv
2
.
e) heat energy.
008 qmult 00110 2 1 3 moderate memory: paths and a conservative force
2. The work done by a conservative force on an object while the object moves on a path between
two endpoints is:
a)
INDEPENDENT
of the path and endpoints.
b)
DEPENDENT
on the path.
c)
INDEPENDENT
of the path between the endpoints.
d)
DEPENDENT
on the path, but
NOT
on the endpoints.
e) equal to the path length.
008 qmult 00120 1 4 1 easy deductomemory: general potential energy formula
3. “Let’s play
Jeopardy
! For $100, the answer is: Δ
PE
=
−
W
.”
a) What is the formula relating
POTENTIAL
energy change in a conservative force field
to work done by the conservative force (i.e., what is the general potential energy formula),
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 Fall '06
 Buchler
 Physics, Energy, Force, Potential Energy, Conservative force

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