Physics, 01.11.2019 02:31 pupucitomarron
3. (a) what is the maximum frictional force in the knee joint of a person who supports 66.0 kg of her mass on that knee? (b) during strenuous exercise it is possible to exert forces to the joints that are easily ten times greater than the weight being supported. what is the maximum force of friction under such conditions? the frictional forces in joints are relatively small in all circumstances except when the joints deteriorate, such as from injury or arthritis. increased frictional forces can cause further damage and pain.
Answers: 3
Physics, 22.06.2019 06:40, miaglory3828
Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
Answers: 2
Physics, 22.06.2019 21:10, bri9263
Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.
Answers: 2
3. (a) what is the maximum frictional force in the knee joint of a person who supports 66.0 kg of he...
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