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 magnitude of the torque about his shoulder due to the weight of the ball and his arm if he holds his arm straight, but 45° below horizontal?
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 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 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 3.0 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?
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. 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...
An atlete at the gym holds a 3.5 kg steel ball km 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 50 degrees below horizontal?
To practice Problem-Soving Strabegy 8 1 Staic equlibrium problems When you in an object by moving only your torearm, the main ifting musdle in your arm is the biceps Suppose the mass of a fore arm is 150 kg If the biceps is connected to the fore arm a distanvce d 3.00 cm trom the elbow, how much force must the biceps exert to hold a 750 g ball at the end of Part F the forearm at distance d...
> For part b it wouldn't be sin(45), it would be cos(45)
J S Mon, Nov 15, 2021 11:27 AM