Energy in Pendulums Video Lessons

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Problem: The kinetic energy of the pendulum bob in figure 15-1 increases the most between locationsa. A and B.b. B and D.c. A and C.d. C and D.

FREE Expert Solution

We are required to compare the changes in kinetic energy as the pendulum moves across positions. 

Law of conservation of energy:

Ki+Ui+Wnc=Kf+Uf, where Wnc is the work done by non-conservative forces such as friction.

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Problem Details

The kinetic energy of the pendulum bob in figure 15-1 increases the most between locations

a. A and B.

b. B and D.

c. A and C.

d. C and D.

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