Find out the magnitude of the acceleration of the elevator

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Q. A 523 N physics student stands on a bathroom scale in an 854 kg (including the student) elevator that is supported by a cable. As the elevator starts moving, the scale reads 444 N? Find the magnitude of the acceleration of the elevator?

Q. A uniform metal rod, with a mass of 3.0 {rm kg} and a length of 1.2 {rm m}, is attached to a wall by a hinge at its base. A horizontal wire bolted to the wall 0.51 m above the base of the rod holds the rod at an angle of 25{rm ^circ} above the horizontal. The wire is attached to the top of the rod.

Reference no: EM1347602

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