Physics Principles and Problems 2009

Section 11.2 : Conservation of Energy

Self-Check Quizzes

1
The type of collision in which the kinetic energy does not change is called _____.
A)elastic collision
B)inelastic collision
C)mechanical collision
D)preserved collision
2
Energy that causes the temperature of objects to rise is called _____ energy.
A)kinetic
B)potential
C)thermal
D)static
3
Which represents mechanical energy of a system?
A)Eo = mc2
B)E = KE + PE
C)PE = mgh
D)ME = K + P
4
Which is represented in Case 3 of the bar graph?

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A)elastic collision
B)inelastic collision
C)mechanical collision
D)preserved collision
5
The _____ states that the energy in a closed, isolated system can neither be created nor destroyed.
A)law of conservation of energy
B)law of conservation of mass
C)law of mechanical energy
D)law of thermal energy
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