In the figure, let the mass of the block be 8.50 kg and the angle 0 = 30.0°.Frictionless X The three forces acting on the block must be identified.Which forces act on the block?TensionGravitational forceNormal forceO Frictional forcex..................................

here the block is on frictionless surface . therefore, there is no frictional force. due to its…

Answered: In the figure, let the mass of the…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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In the figure below, a climber with a weight of 720.6 N is held by a belay rope connected to her climbing harness and belay device; the force of the rope on her has a line of action through her center of mass. The indicated angles are e = 35.5° and o = 29.5°. If her feet are on the verge of sliding on the vertical wall, what is the coefficient of static friction between her climbing shoes and the wall?
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The device shown in the figure below is one version of a Russell traction apparatus. It has two functions: to support the injured leg horizontally and at the same time provide a horizontal traction force on it. This can be done by adjusting the weight W and the angle θ. For this patient, his leg (including his foot) is 90.0 cm long (measured from the hip joint) and has a mass of 11.4 kg. Its center of mass is 41.0 cm from the hip joint. A support strap is attached to the patient's ankle 13.0 cm from the bottom of his foot. 1) What weight W is needed to support the leg horizontally? Express your answer in newtons. 2) If the therapist specifies that the traction force must be 16.0 N horizontally, what must be the angle θ? Express your answer in degrees. 3) What is the greatest traction force that this apparatus could supply to this patient's leg? Express your answer in newtons. 4) What is θ in that case? Express your answer in degrees.
The joint angle between thigh and leg is θ = 90°. The resistive forces are the weights of the leg and the foot. The distance between the axis of rotation of the knee joint and the center of mass of the leg is dLEG = 8.6 in, the distance to the center of mass of the foot is dFT = 49 cm. The angle of attachment for the hamstring muscle is λ = 108°. The insertion point of the hamstring is a distance dHAM = 2.5 cm away from the knee joint axis. The mass of the foot is mFT = 1.25 kg, the mass of the leg is mLEG = 3.9 kg. What is the magnitude of FHAM to maintain this position?
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The figure below shows a human arm that weighs 41.10 N. The arm is extended outward and is motionless. The gravitational force Fg on the arm acts at point A, a distance of 0.2900 m from the shoulder joint, which is represented by point O. The shoulder pushes down and to the right on the humerus bone of the arm with a force Fs at point O, at an angle ? as shown. The deltoid muscle pulls back on the arm toward the shoulder with a tension force Ft. This tension force acts at a point 0.08000 m to the right of point O, and it is directed up and to the left, at a 12.00° angle with respect to the horizontal. An arm is extending horizontally to the right with a cutout that shows muscles in the upper arm. A horizontal dashed line extends along the bottom of the muscles and another along the top. Point O is labeled at the left end of the arm on the lower horizontal line. An unlabeled point lies 0.080 m horizontally to the right of point O. Point A lies 0.290 m horizontally to the right of point…

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In the figure, let the mass of the block be 8.50 kg and the angle 0 = 30.0°. Frictionless X The three forces acting on the block must be identified. Which forces act on the block? Tension Gravitational force Normal force O Frictional force x..................................