A person holds a 1.26 N
baseball in his hand, a distance of 34.0 cm from the elbow joint,
as shown in the figure(Figure 1). The biceps, attached at a
distance of 2.75 cm from the elbow, exerts an upward force on the
forearm. Consider the forearm and hand to be a uniform rod with a
mass of 1.40 kg . Suppose the biceps exert just enough upward force
to keep the system in static equilibrium.
Homework Answers
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A person holds a 1.26 N
baseball in his hand, a distance of 34.0 cm from...
You hold 1.80 N softball in your hand as shown in the figure. Consider your forearm and hand to b...
please answer question 2
You hold 1.80 N softball in your hand as shown in the figure. Consider your forearm and hand to be a uniform rod with a mass of 1.25 kg and the distance between the elbow on t and the ball in your hand is 2L # 24.0 cm. Your biceps exerts an upward force of 14.0 N on the forearm and is attached at a distance of d :* 2.20 cm from the elbow. Baceps Mg...
A person with their upper arm vertical and their forearm horizontal holds a 4.5-kg iron cannon...
A person with their upper arm vertical and their forearm horizontal holds a 4.5-kg iron cannon ball as shown in the figure below. Assume the mass of the forearm and hand is 1.5 kg, with a center of mass 15 cm from the elbow. The center of the cannonball is 32 cm from the elbow, and the force of the biceps is applied 5.0 cm from the elbow. What force is exerted by the bicep? Elbow contact point 4.5 kg...
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...
A 75.0 kg weight lifter is doing arm raises using a 7.50 kg weight in her...
A 75.0 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 5.75% 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 Part...
Biceps For those of you who wonder, "Why do biology majors have to do all this...
Biceps For those of you who wonder, "Why do biology majors have to do all this junk?" You hold a 1.80-N softball in your hand as shown in the figure. Consider your forearm and hand to be a uniform rod with a mass of 1.85 kg and the distance between the elbow joint and the ball in your hand is 2L = 24.4 cm. Your biceps exerts an upward force of 11.3 N on the forearm and is attached at...
Learning Goal: To practice Problem-Solving Strategy 8.1 Static equilibrium Part C When you lift an object...
Learning Goal: To practice Problem-Solving Strategy 8.1 Static equilibrium Part C When you lift an object by moving only your forearm, the main lifting muscle in your arm is the biceps. Suppose the mass of a forearm is 1.40 kg. If the biceps is connected to the forearm a distance dbiceps 3.00 cm from the elbow, how much force Fbicepa must the biceps exert to hold a 700 g ball at the end of the forearm at distance dball 32.0...
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...
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...
Part A A 75.0 kg weight lifter is doing arm raises using a 7.50 kg weight...
Part A A 75.0 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 5.75 % 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...
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...
please answer question 2
You hold 1.80 N softball in your hand as shown in the figure. Consider your forearm and hand to be a uniform rod with a mass of 1.25 kg and the distance between the elbow on t and the ball in your hand is 2L # 24.0 cm. Your biceps exerts an upward force of 14.0 N on the forearm and is attached at a distance of d :* 2.20 cm from the elbow. Baceps Mg...
A person with their upper arm vertical and their forearm horizontal holds a 4.5-kg iron cannon ball as shown in the figure below. Assume the mass of the forearm and hand is 1.5 kg, with a center of mass 15 cm from the elbow. The center of the cannonball is 32 cm from the elbow, and the force of the biceps is applied 5.0 cm from the elbow. What force is exerted by the bicep? Elbow contact point 4.5 kg...
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...
A 75.0 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 5.75% 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 Part...
Biceps For those of you who wonder, "Why do biology majors have to do all this junk?" You hold a 1.80-N softball in your hand as shown in the figure. Consider your forearm and hand to be a uniform rod with a mass of 1.85 kg and the distance between the elbow joint and the ball in your hand is 2L = 24.4 cm. Your biceps exerts an upward force of 11.3 N on the forearm and is attached at...
Learning Goal: To practice Problem-Solving Strategy 8.1 Static equilibrium Part C When you lift an object by moving only your forearm, the main lifting muscle in your arm is the biceps. Suppose the mass of a forearm is 1.40 kg. If the biceps is connected to the forearm a distance dbiceps 3.00 cm from the elbow, how much force Fbicepa must the biceps exert to hold a 700 g ball at the end of the forearm at distance dball 32.0...
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...
Part A A 75.0 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 5.75 % 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...
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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