A plumb bob hanging from the ceiling of railroad car actsas an accelerometer . Derive the general expression relating the horizontal acceleration a of the car with the angle theta made by the bob with the vertical . Find theta when a = 1.5 ms^(-2) and a when theta = 10^(@) [Hint: Apply d' Alembert's principal.]

A plumb bob hanging from the ceiling of railroad car actsas an acceler

1.	A plumb bob hanging from the ceiling of railroad car actsas an accelerometer . Derive the general expression relating the horizontal acceleration a of the car with the angle theta made by the bob with the vertical . Find theta when a = 1.5 ms^(-2) and a when theta = 10^(@) [Hint: Apply d' Alembert's principal.]
Answer» Answer :`a = G "tan" THETA , 8^(@) 42 ' ,1.73 m s^(-2)`