# Answer to Question #49042 in Other Physics for tinu

Question #49042

we know generally that the direction of displacement and acceleration is same.but for periodic motion , in case of a simple pendulum, the acceleration is proportional and opposite directed to displacement.what is the reason please explain detail??

the equation is " a is proportional to -x where a=acceleration and x=displacement

the equation is " a is proportional to -x where a=acceleration and x=displacement

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