Physics Principles and Problems 2009

Section 11.1 : The Many Forms of Energy

Self-Check Quizzes

1
In this illustration, the kinetic energy after throwing the ball is _____ the kinetic energy before plus the input work.

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A)equal to
B)less than
C)more than
D)opposite to
2
_____ is the kinetic energy of an object, proportional to the object's moment of inertia and the square of its angular velocity.
A)elastic kinetic energy
B)gravitational kinetic energy
C)potential kinetic energy
D)rotational kinetic energy
3
The equation PE = mgh represents _____.
A)elastic kinetic energy
B)gravitational kinetic energy
C)potential kinetic energy
D)rotational kinetic energy
4
The height to which an object has risen is determined by using a reference level, the position where PE is defined to be _____.
A)0
B)1
C)2
D)3
5
Which would NOT store elastic potential energy?
A)rubber ball
B)rubber band
C)steel pole
D)trampoline
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