Problem 6: The figure shows the forearm of a person holding a book. The biceps exert a force FB, and the book has a mass of 3.8 kg. Triceps muscle 4.0 cm FB Biceps muscle 16 cm- 1₂ m₂ = 2.5 kg CG W₂₁ 38 cm Wa 13 PHYSICS CG W₂ CG W₂

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Q: The figure shows three boards clamped together. The center board weighs 93.5 N, and the coefficient…

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Q: The human mandible (lower jaw) is attached to the temporomandibular joint (TMJ). The masseter muscle…

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Q: (a) A man stands a distance d = 0.725 m from the left end of a plank as shown in the figure. The…

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Q: Member AB is supported by a cable BC and at A by a square rod which fits loosely through the square…

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Q: beam of weight 1500 N is hinged at one end to the wall. The beam makes an angle of 37° with e wall.…

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Q: As shown below, a sign weighing 434 N is hanging (via a wire) from a uniform 480 N beam of length L.…

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Q: e force exerted a

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Q: Calculate the magnitude of the force in the elbow joint in units of newtons.

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Q: In the figure to the right, spherical masses are suspended from strings of negligible mass in…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!