Physics HELP!!

posted by .

A lower 0.56m long leg is being exercised. It has a 48.0N weight attached to the foot and is extended at an angle θ with respect to the vertical. Consider a rotation axis at the knee. At what angle θ does the magnitude of the torque equal 14.2 N-m?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    Jane is sitting on a chair with her lower leg at a 30.0° angle with respect to the vertical, as shown. You need to develop a computer model of her leg to assist in some medical research. If you assume that her leg can be modeled as …
  2. Physics

    Jane is sitting on a chair with her lower leg at a 30.0° angle with respect to the vertical. You need to develop a computer model of her leg to assist in some medical research. If you assume that her leg can be modeled as two uniform …
  3. physics-torque

    A person is doing leg lifts with 3.0-kg ankle weights. She is sitting in a chair with her legs bent at a right angle initially. The quadriceps muscles are attached to the patella via a tendon; the patella is connected to the tibia …
  4. physics

    A person is sitting with one leg outstretched, so that it makes an angle of = 39.9o with the horizontal. The weight of the leg below the knee is 34.7 N with the center of gravity located below the knee joint. The leg is being held …
  5. Physics

    A figure skater rotates about a vertical axis through her center with both arms and one leg extended. Her rotation rate is 0.65 rev/s. She then pulls her arms and leg closer to her body and begins to spin at a 1.85 rev/s. What is the …
  6. Physics

    A 77 kg sprinter is running the 100 m dash. At one instant, early in the race, his acceleration is 4.7 m/s^2. a) What total force does the track surface exert on the sprinter?
  7. physics 1

    A person is sitting with one leg outstretched and stationary, so that it makes an angle of 30.0° with the horizontal, as the drawing indicates. The weight of the leg below the knee is 50.5 N, with the center of gravity located below …
  8. physics

    The large quadriceps muscle in the upper leg terminates at its lower end in a tendon attached to the upper end of the tibia (see figure (a)). The forces on the lower leg when the leg is extended are modeled as in figure (b), where …
  9. Physics

    I don't need somone to fully answer this questions, but I need help as to where to get started. Occasionally a severe leg break requires traction to help the bones heal properly. While in traction, the leg is held stationary in the …
  10. physics

    The large quadriceps muscle in the upper leg terminates at its lower end in a tendon attached to the upper end of the tibia (see figure (a)). The forces on the lower leg when the leg is extended are modeled as in figure (b), where …

More Similar Questions