Question: 3. A rigid body is acted upon by four forces and a couple as shown. (A) Replace the given system by a single force

3. A rigid body is acted upon by four forces and a

3. A rigid body is acted upon by four forces and a couple as shown. (A) Replace the given system by a single force R. Show/locate R on the body indicating its magnitude, direction and position. (B) Find its equivalent system consisting of a single force acting at O and a couple. Draw this equivalent system. 280 N 80 N 12 8 m 6 m 500 N-m 800 N 10 m 2m 70 x-axis 450 N

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