The mass on a pendulum is called a \"bob\". The bob moves back and forth like a
ID: 1985436 • Letter: T
Question
The mass on a pendulum is called a "bob". The bob moves back and forth like a person on a swing.At what point in its motion is the KE of a pendulum bob a maximum?
A.Its the same everywhere. The KE does not change.
B.Midway between the highest and lowest points.
C.At the lowest point.
D.At the highest point.
At what point is its PE a maximum?
A.At the highest point.
B.Midway between the highest and lowest points.
C.At the lowest point.
D.Its the same everywhere. The PE does not change.
When its KE is half of its maximum value, how much PE does it have?
A.Its minimum value
B.Its maximum value
C.The same as its PE at any other point
D.Half of its maximum value.
Explanation / Answer
C.At the lowest point. A.At the highest point. D.Half of its maximum value.(because of conservation of energy)
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