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Physics
The force constant of a simple pendulum is
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Q. The force constant of a simple pendulum is
Oscillations
A
directly proportional to the mass of the bob
29%
B
directly proportional to the length of the pendulum
21%
C
inversely proportional to both mass of the bob and length of the pendulum
21%
D
independent of the mass of the bob as well as length of the pendulum.
29%
Solution:
For simple pendulum, the restoring force is given by F = Mg sin $\theta$ = Mg (x / l). Since F = kx, hence k = (Mg / l) i.e. k $\propto$ M