Thigh Arm 60 Leg 60° Torso In the figure, (b) shows arrows of lengths r locating the center of gravity of each segment. Use the data below and the coordinate system shown in figure (b) to locate the center of gravity of the gymnast shown in figure (a). Masses for the arms, thighs, and legs include both appendages. (Enter your answers in m, to at least three significant figures.) Segment Mass (kg) Length (m)r ca (m) Аrms 6.89 0.548 0.236 Torso 33.6 0.609 0.337 Thighs 0.368 0.149 14.1 Legs 7.58 0.350 0.227 HINT m

Thigh Arm 60 Leg 60° Torso In the figure, (b) shows arrows of lengths r locating the center of gravity of each segment. Use the data below and the coordinate system shown in figure (b) to locate the center of gravity of the gymnast shown in figure (a). Masses for the arms, thighs, and legs include both appendages. (Enter your answers in m, to at least three significant figures.) Segment Mass (kg) Length (m)r ca (m) Аrms 6.89 0.548 0.236 Torso 33.6 0.609 0.337 Thighs 0.368 0.149 14.1 Legs 7.58 0.350 0.227 HINT m

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter8: Rotational Equilibrium And Dynamics

Section: Chapter Questions

Problem 85AP

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Many aspects of a gymnast's motion can be modeled by representing the gymnast by four segments consisting of arms, torso (including the head), thighs, and lower legs, as in the figure below. Thigh O Arm Leg 60° 60° Torso a b In the figure, (b) shows arrows of lengths r.a locating the center of gravity of each segment. Use the data below and the coordinate system shown in figure (b) to locate the center of gravity of the gymnast shown in figure (a). Masses for the arms, thighs, and legs include both appendages. (Enter your answers in m, to at least three significant figures.) Segment Mass (kg) Length (m) rcg (m) Arms 6.81 0.548 0.236 Torso 33.6 0.613 0.337 Thighs 14.1 0.368 0.149 Legs 7.50 0.350 0.227 HINT Xcg m Ycg m
Many aspects of a gymnast's motion can be modeled by representing the gymnast by four segments consisting of arms, torso (including the head), thighs, and lower legs, as in the figure below. Thigh O Arm Leg 60° 60° Torso a (i In the figure, (b) shows arows of lengths re locating the center of gravity of each segment. Use the data below and the coordinate system shown in figure (b) to locate the center of gravity of the gymnast shown in figure (a). Masses for the arms, thighs, and legs include both appendages. (Enter your answers in m, to at least three significant figures.) Segment Mass (kg) Length (m) rcg (m) Arms 6.81 0.548 0.236 Torso 33.6 0.613 0.337 Thighs 14.1 0.368 0.149 Legs 7.50 0.350 0.227 HINT Xcg 0.458 %D Y cg 0.0949 X m
Many aspects of a gymnast's motion can be modeled by representing the gymnast by four segments consisting of arms, torso (including the head), thighs, and lower legs, as in the figure below. Thigh O Arm Leg 60° 60° Torso In the figure, (b) shows arrows of lengths r., locating the center of gravity of each segment. Use the data below and the coordinate system shown in figure (b) to locate the center of gravity of the gymnast shown in figure (a). Masses for the arms, thighs, and legs include both appendages. (Enter your answers in m, to at least three significant figures.) Segment Mass (kg) Length (m) "cg (m) Arms 6.81 0.548 0.236 Torso 33.6 0.597 0.337 Thighs 14.1 0.368 0.149 Legs 7.58 0.350 0.227 HINT Xcg Y cg
Many aspects of a gymnast's motion can be modeled by representing the gymnast by four segments consisting of arms, torso (including the head), thighs, and lower legs, as in the figure below. y Thigh O Arm Leg 60° 60° Torso In the figure, (b) shows arrows of lengths rca locating the center of gravity of each segment. Use the data below and the coordinate system shown in figure (b) to locate the center of gravity of the gymnast shown in figure (a) Masses for the arms, thighs, and legs include both appendages. (Enter you answers in m, to at least three significant figures.) Segment Mass (kg) Length (m) rcg (m) Arms 6.81 0.548 0.242 Torso 33.6 0.605 0.337 Thighs 14.1 0.376 0.149 Legs 7.50 0.350 0.227
Many aspects of a gymnast's motion can be modeled by representing the gymnast by four segments consisting of arms, torso (including the head), thighs, and lower legs, as in the figure below. In the figure, (b) shows arrows of lengths relocating the center of gravity of each segment. Use the data below and the coordinate system shown in figure (b) to locate the center of gravity of thei gymnast shown in figure (a). Masses for the arms, thighs, and legs include both appendages. (Enter your answers in m, to at least three significant figures) Segment Mass (kg) Length (m) (m) Arms HINT Torso Thighs Lege m 6.81 33.6 14.1 Thigh F EX Arm Leg 60° 60° Toro 7.50 0.548 0.597 0.372 0.350 0.242 0.337 0.145 0.227
Many aspects of a gymnast's motion can be modeled by representing the gymnast by four segments consisting of arms, torso (including the head), thighs, and lower legs, as in the figure below. HINT Xes Yeg Segment Mass (kg) Length (m) og (m) Arms Torso Thighs Legs In the figure, (b) shows arrows of lengths relocating the center of gravity of each segment. Use the data below and the coordinate system shown in figure (b) to locate the center of gravity of the gymnast shown in figure (a). Masses for the arms, thighs, and legs include both appendages. (Enter your answers in m, to at least three significant figures.) m m 6.85 33.6 60° 14.1 7.58 0.548 0.613 0.370 0.350 0.337 0.153 Arm 0.227 Thigh Torso ► 60° Leg
Where is the center of gravity of a ring? The biceps muscle exerts a vertical force of 7090 N on the lower arm. Calculate a. The torque about the axis of rotation through the elbow joint if the biceps and lower arm are perpendicular to each other b. If the lower arm is ° lower with respect to the horizontal. Assume that the muscle is attached 5.0 cm from the elbow.
Find the x and y-coordinates of the center of gravity of a 4.00-ft by 8.00-ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. Hint: The mass of any segment of the plywood sheet is proportional to the area of that segment.
A 1.90-m-long barbell has a 21.0 kg weight on its left end and a 32.0 kg weight on its right end. If you ignore the weight of the bar itself, how far from the left end of the barbell is the center of gravity? Express your answer to three significant figures and include the appropriate units. Where is the center of gravity if the 9.00 kg mass of the barbell itself is taken into account? Express your answer to three significant figures and include the appropriate units.
O Macmillan Learning The forearm of length Larm = 35.2 cm shown in the figure is positioned at an angle with respect to the upper arm, and a 3.30-kg ball is held in the hand. The total mass mtotal of the forearm and hand is 2.80 kg, and their center of mass is located at LCM = 14.2 cm from the elbow. The biceps muscle attaches to the forearm at a distance Lbiceps = 4.0 cm from the elbow. What is the magnitude of the force Fbiceps that the biceps muscle exerts on the forearm for 0= 63°? Fbiceps = What is the magnitude of the force Fjoint that the forearm exerts on the elbow joint for 0 = 63°? Fjoint = Question Credit: OpenStax University Physics vl N N arm
DA man holds a 178-N ball in his hand, with the arm bone- 22. Upper - rlexor muscle forcarm horizontal (sce the draw- ing). He can support the ball in this position because of the flexor muscle force M, which is applied perpendicular to the forearm. The forearm weighs 22.0 N and has a center of gravity as indicated. Find (a) the magnitude of M and (b) the magnitude and direction of the force applied by the upper arm bone to the forearm at the elbow joint. Elbow cg joint '0.0890 m -0.330 m- 0.0510 m
The forearm of length Larm = 35.6 cm shown in the figure is positioned at an angle with respect to the upper arm, and a 4.85-kg ball is held in the hand. The total mass mtotal of the forearm and hand is 2.85 kg, and their center of mass is located at LCM = 14.4 cm from the elbow. The biceps muscle attaches to the forearm at a distance Lbiceps = 3.5 cm from the elbow. What is the magnitude of the force Fbiceps that the biceps muscle exerts on the forearm for 0 = 39°? Fbiceps = What is the magnitude of the force Fjoint that the forearm exerts on the elbow joint for 0 = 39°? Fjoint = N N T biceps 0 arm