An atlete at the gym holds a 3.5 kg steel ball km his hand. His arm...
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atlete at the gym holds a 3.5 kg steel ball km his hand. His arm...
An athlete at the gym holds a 3.0 kg steel ball in his hand. His arm...
An athlete at the gym holds a 3.0 kg steel ball in his hand. His arm is 70 cm long and has a mass of 4.0 kg . What is the magnitude of the torque about his shoulder if he holds his arm straight, but 30 ∘ below horizontal?
An athlete at the gym holds a 4.0 kg steel ball in his hand. His arm is 70 cm long and has a mass of 4.0 kg.
An athlete at the gym holds a 4.0 kg steel ball in his hand. His arm is 70 cm long and has a mass of 4.0 kg. For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution. Part AWhat is the magnitude of the torque about his shoulder if he holds his arm straight out to his sidePart B What is the magnitude of the torque about his shoulder if he holds his arm straight,...
An athlete at the gym holds a 3.5 kg steel bal in Ns hand His arm...
An athlete at the gym holds a 3.5 kg steel bal in Ns hand His arm is 80 cm long and has a mass of 4.5 kg. Assume the center of mass of the arm is at the geometrical center of the Part A arm What is the magnitude of the sorque about his shoulder due to the welght of the ball and his arm if he holds his arm straight out to his side, paralel to the floor? Express...
An athlete at the gym holds a 2.5 kg steel ball in his hand. His arm is 60 cm long and has a mass of 3.6 kg. Assume the center of mass of the arm is at the geometrical center of the arm.
An athlete at the gym holds a 2.5 kg steel ball in his hand. His arm is 60 cm long and has a mass of 3.6 kg. Assume the center of mass of the arm is at the geometrical center of the arm. Part A What is the magnitude of the torque about his shoulder due to the weight of the ball and his arm if he holds his arm straight out to his side, parallel to the floor? Part B What is the...
Problem: At the gym An athlete at the gym holds a 3.0kg steel ball in her...
Problem: At the gym An athlete at the gym holds a 3.0kg steel ball in her hand. Her arm is 70cm long and has a mass of 4.0kg. What is the magnitude of the torque about her shoulder if she holds her arm: a) straight out to her side, parallel to the floor? b) straight, but 45◦ below horizontal?
Review Part A An athlete at the gym holds a 35 kg seball in his hand....
Review Part A An athlete at the gym holds a 35 kg seball in his hand. His armis 80 cm long and has a mass of 4,5 kg. Assume the Center of mass of the arms at the geometrical center of the "What is the magnitude of the treabouts shoulder due to the weight of the ball and his arm if he holds his arms out to his side, paralel Express your answer to two significant figures and include the...
3. The figure shows an outstretched arm with a mass of 4.2 kg. The arm is...
3. The figure shows an outstretched arm with a mass of 4.2 kg. The arm is 56 cm long, and its center of gravity is 21 cm from the shoulder. The hand at the end of the arm hold a mass of 6.0 kg. (a) What is the torque about the shoulder due to the weights of the arm and the 6.0 kg mass? (b) If the arm is held in position by the deltoid muscle, whose force on the...
A woman lifts a 3.6-kg barbell in each hand with her arm in a horizontal position...
A woman lifts a 3.6-kg barbell in each hand with her arm in a
horizontal position at the side of her body and holds it there for
3 s (see the figure below).
What force does the deltoid muscle in her shoulder exert on the
humerus bone while holding the barbell? The deltoid attaches 13 cm
from the shoulder joint and makes a 13? angle with the humerus. The
barbell in her hand is 0.55 m from the shoulder joint,...
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...
An athlete at the gym holds a 3.5 kg steel bal in Ns hand His arm is 80 cm long and has a mass of 4.5 kg. Assume the center of mass of the arm is at the geometrical center of the Part A arm What is the magnitude of the sorque about his shoulder due to the welght of the ball and his arm if he holds his arm straight out to his side, paralel to the floor? Express...
Review Part A An athlete at the gym holds a 35 kg seball in his hand. His armis 80 cm long and has a mass of 4,5 kg. Assume the Center of mass of the arms at the geometrical center of the "What is the magnitude of the treabouts shoulder due to the weight of the ball and his arm if he holds his arms out to his side, paralel Express your answer to two significant figures and include the...
3. The figure shows an outstretched arm with a mass of 4.2 kg. The arm is 56 cm long, and its center of gravity is 21 cm from the shoulder. The hand at the end of the arm hold a mass of 6.0 kg. (a) What is the torque about the shoulder due to the weights of the arm and the 6.0 kg mass? (b) If the arm is held in position by the deltoid muscle, whose force on the...
A woman lifts a 3.6-kg barbell in each hand with her arm in a
horizontal position at the side of her body and holds it there for
3 s (see the figure below).
What force does the deltoid muscle in her shoulder exert on the
humerus bone while holding the barbell? The deltoid attaches 13 cm
from the shoulder joint and makes a 13? angle with the humerus. The
barbell in her hand is 0.55 m from the shoulder joint,...
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...
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