The leg and cast in the figure below weigh 160 N (w). Determine the weight w, and the angle a needed so that no force is exerted on the hip joint by the leg plus cast
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- When you lift an object by moving only your forearm, the main lifting muscle in your arm is the biceps. Suppose the mass of a forearm with hand is 1.60 kg. If the biceps is connected to the forearm a distance of 2.2 cm from the elbow, how much force must the biceps exert to hold a 41 N ball at the end of the forearm at distance of 36.0 cm from the elbow, with the forearm parallel to the floor, in Newtons? Use g = 10.0 m/s2.What force must be applied at point P to keep the structure shown in equilibrium? The weight of the structure is negligible. (Assume that the +x-axis is to the right and the +y-axis is up along the page. Give the magnitude in newtons and the direction in degrees counterclockwise from the +x-axis.) 4,340 N 1.0 m P 2.0 m 2.0 m 2,170 N magnitude direction ° counterclockwise from the +x-axisueer False: the system shown in the diagram below is in static equilibrium. Assume the mass of the beam resting on the fulcrum is negligible. 45 cm 25 cm 25 kg 45 kg True False
- A cook holds a 2.05-kg carton of milk at arm's length (see the figure below). What force F. must be exerted by the biceps musdle? (Ignore the weight of the forearm. Give the magnitude.)42. A 12.0-m boom, AB, of a crane lifting a 3000-kg load is shown below. The center of mass of the boom is at its geometric center, and the mass of the boom is 1000 kg. For the position shown, calculate tension Tin the cable and the force at the axle A. B T 10° 3000 kg 30°You stand near the end of a uniform diving board a distance d from support 2 (as shown in the picture below. Your mass is m and the distance between the for of supports is a. Create an extended-body force diagram and use it to find the forces (magnitude and direction) that supports 1 and 2 exert on the board (you can neglect the force Earth exerts on the board itself).
- A 1530-kg automobile has a wheel base (the distance between the axles) of 2.90 m. The automobile's center of mass is on the centerline at a point 1.00 m behind the front axle. Find the force exerted by the ground on each wheel. each front wheel kN each rear wheel kNIn the figure below a crowbar is used to lift a weight. If a down ward force of 246 N is applied to the end of the bar, how much weight does the other end bear? The crowbar itself has negligible weight. (Let r1 = 30.5 cm and r2 = 4.70 cm.) please sovle thank youA UNIFORM ROD OF LENGTH 3M AND WEIGHT 100N, WITH ENDS A ANDB RESTING ON TWO BRACKETS, BEARS 5ØN WEIGHT 0.5M FROM END A AND 150N WEIGHT 2M FROM FIRST WEIGHT. FIND THE REACTION FORCES AT B AND A. FB FA A
- 5. A block is supported at the end of a horizontal beam of negligible mass that is hinged to a pole as shown. A cable at an angle of 49° with the beam has a tension of 500 N. Find the mass of the block. mA shop sign weighing 200 N hangs from the end of a uniform 155-N beam as shown in (Figure 1). A) Find the tension in the supporting wire (at 35.0∘). B) Find the horizontal force exerted by the hinge on the beam at the wall. C) Find the vertical force exerted by the hinge on the beam at the wall.Calculate the mass of object A necessary to balance the beam shown if object B's mass is 40.0Kg, distance X is 4.00 m and distance Y is 8.00m. в A