A beam of mass 36 kg and length 5.2 m is leaning against a large cylindrical barrel so that it is tangent to the barrel, touching the barrel at a point 1.6 m from the end of the beam. The other end of the beam is touching the ground at an angle of 28° to the ground. What is the magnitude of the normal force that the surface of the barrel is exerting on the beam? -1.6 m 28° 5.2 m

Question
A beam of mass 36 kg and length 5.2 m is leaning against a large cylindrical barrel so that it is
tangent to the barrel, touching the barrel at a point 1.6 m from the end of the beam. The other end
of the beam is touching the ground at an angle of 28° to the ground. What is the magnitude of the
normal force that the surface of the barrel is exerting on the beam?
-1.6 m
28°
5.2 m

Image Transcription

A beam of mass 36 kg and length 5.2 m is leaning against a large cylindrical barrel so that it is tangent to the barrel, touching the barrel at a point 1.6 m from the end of the beam. The other end of the beam is touching the ground at an angle of 28° to the ground. What is the magnitude of the normal force that the surface of the barrel is exerting on the beam? -1.6 m 28° 5.2 m

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Rotational Mechanics

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