When just a single force is present, can an item be in equilibrium? Explain.
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- Subject: physicsWhen just a single force is present, can an item be in equilibrium? Explain.To strengthen his arm and chest muscles, a 79-kg athlete 2.0 m tall is doing a series of push-ups as shown in the figure below (Figure 1). His center of mass is 1.20 m from the bottom of his feet, and the centers of his palms are 30.0 cm from the top of his head. Figure 1 of 1 > 20m -300 Review Find the force that the floor exerts on each of his feet, assuming that both feet exert the same force. Express your answerin newtons. 16] ΑΣΦ ? F-125.24 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B Find the force that the floor exerts on each of his hands, assuming both palms exert the same force. Express your answer in newtons. LIVE ΑΣΦΑ F-114 N Submit Previous Answers Request Answer * Incorrect; Try Again; 5 attempts remaining P Pearson N
- When just a single force is present, can an item be in equilibrium? Explain.Three sailboats are shown below. Each sailboat experiences the same amount of force, yet has different sail orientations. In which case (A, B or C) is the sailboat most likely to tip over sideways? ExplainCalculate the shear force acting on the lumbar vertebra. calculate the compressive force acting on the lumbar vertebra The GRF is 225 N. The GRF has a moment arm of 0.40 m relative to the vertebra axis of rotation. The weight of the trunk is 350 N. Wtrunk has a moment arm of 0.3 m relative to the vertebra axis of rotation. Fm is 300 N. Fm has a moment arm of 0.05 m relative to the vertebra axis of rotation.