A rigid beam of mass 7.12 kilograms and length 1.57 meters is fixed at point P, around which the beam can rotate. a. What is the torque on the beam caused by only gravity? Include units in your answer. b. If there is no force F2, what force F1 is required to put the
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A rigid beam of mass 7.12 kilograms and length 1.57 meters is fixed at point P, around which the beam can rotate.
a. What is the torque on the beam caused by only gravity? Include units in your answer.
b. If there is no force F2, what force F1 is required to put the beam in
c. If force F1 is only 20 newtons, what force F2 exerted 0.35 meters from point P and acting at an angle of 45.7 degrees is required to put the beam in rotational equilibrium? Include units in your answer.
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- a. What is the maximum torque applied by the cable? (Give your answer in N m.) b. What is the torque due to the weight of the bridge? (Give your answer in N m.) c. How far can Lancelot ride out along the bridge before the cable breaks? (Give your answer in m.) Note: At his maximum distance, the torque from the cable will equal the torque from both the weight of the bridge and the weight of Lancelot.A. Find the required F to achieve Net Torque = 0. Assume b = 2a. B. After a design modification, all forces including F stay the same. If new design is basedon b = 1.5a, what will be the net torque after modifications?Sierra holds a box in her hand using her elbow flexor muscles (see picture). Her forearm is at a 35° angle relative to the horizontal. c.) If the moment arm (dm) of the elbow flexor muscle force (Fm) is 0.032m, how much force must the muscles generate get a muscle torque sufficient to balance the torque of the box?
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