The figure below shows an arm that is balancing a carton of milk in the hand. The mass of the carton of milk is 1.07 kg, and F in the figure is the gravitational force on the carton. The biceps muscle applies a force F to the forearm directed up and to the right at an angle of 75.00 from vertical. The point where F is applied to the forearm is 8.00 cm to the left of the elbow joint and 25.0 cm to the right of the center of gravity of the milk carton. (For simplicity, ignore the weight of the forearm.) Milk 75.0 25.0 cm 8.00 cm What is the magnitude of F (in N)? B t

University Physics Volume 1
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Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
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Problem 74P: When tightening a bolt, you push perpendicularly on a wrench with a force of 165 N at a distance of...
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The figure below shows an arm that is balancing a carton of milk in the hand. The mass of the carton of milk is 1.07 kg,
and F in the figure is the gravitational force on the carton. The biceps muscle applies a force F to the forearm directed up
and to the right at an angle of 75.00 from vertical. The point where F is applied to the forearm is 8.00 cm to the left of the
elbow joint and 25.0 cm to the right of the center of gravity of the milk carton. (For simplicity, ignore the weight of the
forearm.)
Milk
75.0
25.0 cm
8.00 cm
What is the magnitude of F (in N)?
B
t
Transcribed Image Text:The figure below shows an arm that is balancing a carton of milk in the hand. The mass of the carton of milk is 1.07 kg, and F in the figure is the gravitational force on the carton. The biceps muscle applies a force F to the forearm directed up and to the right at an angle of 75.00 from vertical. The point where F is applied to the forearm is 8.00 cm to the left of the elbow joint and 25.0 cm to the right of the center of gravity of the milk carton. (For simplicity, ignore the weight of the forearm.) Milk 75.0 25.0 cm 8.00 cm What is the magnitude of F (in N)? B t
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