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14. A pendulum bob of mass 50 g is suspended from theceiling of an elevator. Find the tension in the string ifthe elevator (a) goes up with acceleration 1.2 m/s(b) goes up with deceleration 12 m/s3, (c) goes up withuniform velocity, (d) goes down with acceleration1-2 m/s 2, (e) goes down with deceleration 1.2 m/s and(f) goes down with uniform velocity.

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