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  4. A heavy iron bar of weight W is having its one end on the ground and the other on the shoulder of a man. The rod makes an angle θ with the horizontal, the weight experienced by the man is

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Q. A heavy iron bar of weight W is having its one end on the ground and the other on the shoulder of a man. The rod makes an angle $\theta$ with the horizontal, the weight experienced by the man is

System of Particles and Rotational Motion

Solution:

The weight acts at the middle of the bar. See Figure. Taking moment about the ground we find $F_1$ = W/2

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