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QUESTION 1 A wrench is used to loosen a nut as shown below by applying a...
QUESTION 2 The drawing shows a person mass-59 kg. doing push-ups. Find the force exerted by...
QUESTION 2 The drawing shows a person mass-59 kg. doing push-ups. Find the force exerted by the floor on each foot, assuming that the person holds this position. Express your answer is Sl units with 3 or more significant figures 0.90 m 1.50 m QUESTION 3 A uniform lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray is 0.11 kg. On the tray is a 1 kg plate of food and a...
QUESTION 3 A uniform lunch tray is being held in one hand, as the drawing illustrates....
QUESTION 3 A uniform lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray is 0.11 kg On the tray is a 1 kg plate of food and a 0.28 kg cup of coffee Obtain the following force F-T Express your answer in Sl units with 3 or more significant figures 40 cm 38 cm 24 cm 10 cm 6 cm QUESTION 4 A person exerts a horizontal force of 190 N in...
A man holds a 183-N ball in his hand, with the forearm horizontal (see the figure)....
A man holds a 183-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the flexor muscle force Mn, which is applied perpendicular to the forearm. The forearm weighs 20.3 N and has a center of gravity as indicated. Find (a) the magnitude of M - and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm...
A man holds a 182-N ball in his hand, with the forearm horizontal (see the figure)....
A man holds a 182-N ball in his hand, with the forearm horizontal (see the figure). 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 19.3 N and has a center of gravity as indicated. Find (a) the magnitude of and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm bone to...
A man holds a 194-N ball in his hand, with the forearm horizontal (see the figure)....
A man holds a 194-N ball in his hand, with the forearm horizontal (see the figure). 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 18.5 N and has a center of gravity as indicated. Find (a) the magnitude of M and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm bone...
In an isometric exercise a person places a hand on a scale and pushes vertically downward,...
In an isometric exercise a person places a hand on a scale and
pushes vertically downward, keeping the forearm horizontal. This is
possible because the triceps muscle applies an upward force M
perpendicular to the arm, as the drawing indicates. The forearm
weighs 25.0 N and has a center of gravity as indicated. The scale
registers 113 N. Determine the magnitude of M.
Consider the case of the bicepts muscle acting on a forearm holding a 35 N weight....
Consider the case of the bicepts muscle acting on a forearm holding a 35 N weight. The forearm is 30 below the horizontal and the bicepts muscle inserts at an angle of 45 with the forearm. The muscle insertion is at 5 cm from the elbow joint. The forearm has a weight of 18 N and has its center of gravity 15 cm from the elbow. The 35 N weight is held in the hand 30 cm from the joint...
In an isometric exercise a person places a hand on a scale and pushes vertically downward,...
In an isometric exercise a person places a hand on a scale and pushes vertically downward, keeping the forearm horizontal. This is possible because the triceps muscle applies an upward force perpendicular to the arm, as the drawing indicates. The forearm weighs 24.0 N and has a center of gravity as indicated. The scale registers 132 N. Determine the magnitude of .
In an isometric exercise a person places a hand on a scale and pushes vertically downward, keeping the forearm horizontal
In an isometric exercise a person places a hand on a scale and pushes vertically downward, keeping the forearm horizontal. This is possible because the triceps muscle applies an upward force Marrowbold perpendicular to the arm, as the drawing indicates. The forearm weighs 20.0 N and has a center of gravity as indicated. The scale registers 122 N. Determine the magnitude of Marrowbold.
Constants A 71.0 kg weight lifter is doing arm raises using a 7.50 kg weight in...
Constants A 71.0 kg weight lifter is doing arm raises using a 7.50 kg weight in her hand. Her arm pivots around the elbow joint, starting 40.0 below the horizontal. (See the figure(Figure 1).) Biometric measurements have shown that both forearms and the hands together account for 6.40 % of a person's weight. Since the upper arm is held vertically, the biceps muscle always acts vertically and is attached to the bones of the forearm 5.50 cm from the elbow...
QUESTION 2 The drawing shows a person mass-59 kg. doing push-ups. Find the force exerted by the floor on each foot, assuming that the person holds this position. Express your answer is Sl units with 3 or more significant figures 0.90 m 1.50 m QUESTION 3 A uniform lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray is 0.11 kg. On the tray is a 1 kg plate of food and a...
QUESTION 3 A uniform lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray is 0.11 kg On the tray is a 1 kg plate of food and a 0.28 kg cup of coffee Obtain the following force F-T Express your answer in Sl units with 3 or more significant figures 40 cm 38 cm 24 cm 10 cm 6 cm QUESTION 4 A person exerts a horizontal force of 190 N in...
A man holds a 183-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the flexor muscle force Mn, which is applied perpendicular to the forearm. The forearm weighs 20.3 N and has a center of gravity as indicated. Find (a) the magnitude of M - and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm...
A man holds a 182-N ball in his hand, with the forearm horizontal (see the figure). 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 19.3 N and has a center of gravity as indicated. Find (a) the magnitude of and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm bone to...
A man holds a 194-N ball in his hand, with the forearm horizontal (see the figure). 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 18.5 N and has a center of gravity as indicated. Find (a) the magnitude of M and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm bone...
In an isometric exercise a person places a hand on a scale and
pushes vertically downward, keeping the forearm horizontal. This is
possible because the triceps muscle applies an upward force M
perpendicular to the arm, as the drawing indicates. The forearm
weighs 25.0 N and has a center of gravity as indicated. The scale
registers 113 N. Determine the magnitude of M.
Consider the case of the bicepts muscle acting on a forearm holding a 35 N weight. The forearm is 30 below the horizontal and the bicepts muscle inserts at an angle of 45 with the forearm. The muscle insertion is at 5 cm from the elbow joint. The forearm has a weight of 18 N and has its center of gravity 15 cm from the elbow. The 35 N weight is held in the hand 30 cm from the joint...
Constants A 71.0 kg weight lifter is doing arm raises using a 7.50 kg weight in her hand. Her arm pivots around the elbow joint, starting 40.0 below the horizontal. (See the figure(Figure 1).) Biometric measurements have shown that both forearms and the hands together account for 6.40 % of a person's weight. Since the upper arm is held vertically, the biceps muscle always acts vertically and is attached to the bones of the forearm 5.50 cm from the elbow...
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