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A physics diagram shows a uniform beam PQ with mass 40 kg and length 3.5 m, supported at ends P and Q. A downward force of 600 N is applied at Q.

A physics diagram shows a uniform beam PQ with mass 40 kg and length 3.5 m, supported at ends P and Q. A downward force of 600 N is applied at Q.

A uniform beam PQ of length 5 m and mass 40 kg rests horizontally on two supports, one at P and the other at R, where PR = 3.5 m. A load of 600 N is placed at Q. See more