A uniform beam of length L and mass Mhas its lower end pivoted at P on the floor, making an angle with the floor. A horizontal cable is attached at its upper end B to a point A on a wall. A box of mass Mis suspended from a rope that is attached to the beam one-fourth L from its upper end. P M Ө M

Figure FM 15° 12 cm- 24 cm- mg < 1 of 1 Calculate the magnitude of the force, FM, required of the "deltoid" muscle to hold up the outstretched arm shown in the figure. (Figure 1) The total mass of the arm is 3.3 kg Express your answer to two significant figures and include the appropriate units. μà FM = Submit Part B F₁ = X Incorrect; Try Again; 5 attempts remaining Submit Value Part C Calculate the magnitude of the force F exerted by the shoulder joint on the upper arm. Express your answer to two significant figures and include the appropriate units. Previous Answers Request Answer 0₁ = N Value Request Answer ? Units Calculate the angle (to the horizontal) at which the force Facts. Express your answer in degrees using two significant figures. G|| ΑΣΦ Doorco ? ? below the horizontal

A uniform rod weighing  15 kg is supported in a horizontal position by a pin and wire as shown in the figure. What is the magnitude of the tension in the wire?

A uniform beam of weight 13 N and length 6.0 m is mounted by a small hinge on a wall at it left end. The beam is held in a horizontal position by a vertical rope at the location as shown. What is the magnitude of the tension force in the rope, in Newtons? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.